diff --git a/plugins/modules/gem.py b/plugins/modules/gem.py
index c364785f3e..1ea9c68a94 100644
--- a/plugins/modules/gem.py
+++ b/plugins/modules/gem.py
@@ -295,22 +295,22 @@ def main():
 
     module = AnsibleModule(
         argument_spec=dict(
-            executable=dict(required=False, type='path'),
-            gem_source=dict(required=False, type='path'),
-            include_dependencies=dict(required=False, default=True, type='bool'),
+            executable=dict(type='path'),
+            gem_source=dict(type='path'),
+            include_dependencies=dict(default=True, type='bool'),
             name=dict(required=True, type='str'),
-            repository=dict(required=False, aliases=['source'], type='str'),
-            state=dict(required=False, default='present', choices=['present', 'absent', 'latest'], type='str'),
-            user_install=dict(required=False, default=True, type='bool'),
-            install_dir=dict(required=False, type='path'),
+            repository=dict(aliases=['source'], type='str'),
+            state=dict(default='present', choices=['present', 'absent', 'latest'], type='str'),
+            user_install=dict(default=True, type='bool'),
+            install_dir=dict(type='path'),
             bindir=dict(type='path'),
             norc=dict(type='bool', default=True),
-            pre_release=dict(required=False, default=False, type='bool'),
-            include_doc=dict(required=False, default=False, type='bool'),
-            env_shebang=dict(required=False, default=False, type='bool'),
-            version=dict(required=False, type='str'),
-            build_flags=dict(required=False, type='str'),
-            force=dict(required=False, default=False, type='bool'),
+            pre_release=dict(default=False, type='bool'),
+            include_doc=dict(default=False, type='bool'),
+            env_shebang=dict(default=False, type='bool'),
+            version=dict(type='str'),
+            build_flags=dict(type='str'),
+            force=dict(default=False, type='bool'),
         ),
         supports_check_mode=True,
         mutually_exclusive=[['gem_source', 'repository'], ['gem_source', 'version']],
diff --git a/plugins/modules/git_config_info.py b/plugins/modules/git_config_info.py
index acedaf718a..29922382de 100644
--- a/plugins/modules/git_config_info.py
+++ b/plugins/modules/git_config_info.py
@@ -113,7 +113,7 @@ def main():
         argument_spec=dict(
             name=dict(type="str"),
             path=dict(type="path"),
-            scope=dict(required=False, type="str", default="system", choices=["global", "system", "local", "file"]),
+            scope=dict(type="str", default="system", choices=["global", "system", "local", "file"]),
         ),
         required_if=[
             ("scope", "local", ["path"]),
diff --git a/plugins/modules/github_deploy_key.py b/plugins/modules/github_deploy_key.py
index bbf6e711f3..4ec7fbb769 100644
--- a/plugins/modules/github_deploy_key.py
+++ b/plugins/modules/github_deploy_key.py
@@ -301,18 +301,18 @@ class GithubDeployKey(object):
 def main():
     module = AnsibleModule(
         argument_spec=dict(
-            github_url=dict(required=False, type='str', default="https://api.github.com"),
+            github_url=dict(type='str', default="https://api.github.com"),
             owner=dict(required=True, type='str', aliases=['account', 'organization']),
             repo=dict(required=True, type='str', aliases=['repository']),
             name=dict(required=True, type='str', aliases=['title', 'label']),
             key=dict(required=True, type='str', no_log=False),
-            read_only=dict(required=False, type='bool', default=True),
+            read_only=dict(type='bool', default=True),
             state=dict(default='present', choices=['present', 'absent']),
-            force=dict(required=False, type='bool', default=False),
-            username=dict(required=False, type='str'),
-            password=dict(required=False, type='str', no_log=True),
-            otp=dict(required=False, type='int', no_log=True),
-            token=dict(required=False, type='str', no_log=True)
+            force=dict(type='bool', default=False),
+            username=dict(type='str'),
+            password=dict(type='str', no_log=True),
+            otp=dict(type='int', no_log=True),
+            token=dict(type='str', no_log=True)
         ),
         mutually_exclusive=[
             ['password', 'token']
diff --git a/plugins/modules/github_repo.py b/plugins/modules/github_repo.py
index d5091cde3d..abaddb3c28 100644
--- a/plugins/modules/github_repo.py
+++ b/plugins/modules/github_repo.py
@@ -246,12 +246,12 @@ def main():
         password=dict(type='str', no_log=True),
         access_token=dict(type='str', no_log=True),
         name=dict(type='str', required=True),
-        state=dict(type='str', required=False, default="present",
+        state=dict(type='str', default="present",
                    choices=["present", "absent"]),
-        organization=dict(type='str', required=False, default=None),
+        organization=dict(type='str', ),
         private=dict(type='bool'),
         description=dict(type='str'),
-        api_url=dict(type='str', required=False, default='https://api.github.com'),
+        api_url=dict(type='str', default='https://api.github.com'),
         force_defaults=dict(type='bool', default=True),
     )
     module = AnsibleModule(
diff --git a/plugins/modules/github_webhook.py b/plugins/modules/github_webhook.py
index 0a6272c7b5..1ae2e71aaa 100644
--- a/plugins/modules/github_webhook.py
+++ b/plugins/modules/github_webhook.py
@@ -208,25 +208,16 @@ def main():
         argument_spec=dict(
             repository=dict(type='str', required=True, aliases=['repo']),
             url=dict(type='str', required=True),
-            content_type=dict(
-                type='str',
-                choices=('json', 'form'),
-                required=False,
-                default='form'),
-            secret=dict(type='str', required=False, no_log=True),
-            insecure_ssl=dict(type='bool', required=False, default=False),
-            events=dict(type='list', elements='str', required=False),
-            active=dict(type='bool', required=False, default=True),
-            state=dict(
-                type='str',
-                required=False,
-                choices=('absent', 'present'),
-                default='present'),
+            content_type=dict(type='str', choices=('json', 'form'), default='form'),
+            secret=dict(type='str', no_log=True),
+            insecure_ssl=dict(type='bool', default=False),
+            events=dict(type='list', elements='str', ),
+            active=dict(type='bool', default=True),
+            state=dict(type='str', choices=('absent', 'present'), default='present'),
             user=dict(type='str', required=True),
-            password=dict(type='str', required=False, no_log=True),
-            token=dict(type='str', required=False, no_log=True),
-            github_url=dict(
-                type='str', required=False, default="https://api.github.com")),
+            password=dict(type='str', no_log=True),
+            token=dict(type='str', no_log=True),
+            github_url=dict(type='str', default="https://api.github.com")),
         mutually_exclusive=(('password', 'token'),),
         required_one_of=(("password", "token"),),
         required_if=(("state", "present", ("events",)),),
diff --git a/plugins/modules/github_webhook_info.py b/plugins/modules/github_webhook_info.py
index 648095b3fa..75315c77aa 100644
--- a/plugins/modules/github_webhook_info.py
+++ b/plugins/modules/github_webhook_info.py
@@ -124,10 +124,10 @@ def main():
         argument_spec=dict(
             repository=dict(type='str', required=True, aliases=["repo"]),
             user=dict(type='str', required=True),
-            password=dict(type='str', required=False, no_log=True),
-            token=dict(type='str', required=False, no_log=True),
+            password=dict(type='str', no_log=True),
+            token=dict(type='str', no_log=True),
             github_url=dict(
-                type='str', required=False, default="https://api.github.com")),
+                type='str', default="https://api.github.com")),
         mutually_exclusive=(('password', 'token'), ),
         required_one_of=(("password", "token"), ),
         supports_check_mode=True)
diff --git a/plugins/modules/gitlab_branch.py b/plugins/modules/gitlab_branch.py
index b32169ef5a..6ed6e6a0c5 100644
--- a/plugins/modules/gitlab_branch.py
+++ b/plugins/modules/gitlab_branch.py
@@ -118,7 +118,7 @@ def main():
     argument_spec.update(
         project=dict(type='str', required=True),
         branch=dict(type='str', required=True),
-        ref_branch=dict(type='str', required=False),
+        ref_branch=dict(type='str'),
         state=dict(type='str', default="present", choices=["absent", "present"]),
     )
 
diff --git a/plugins/modules/gitlab_group_access_token.py b/plugins/modules/gitlab_group_access_token.py
index ad3a528ba5..0fe6c14af2 100644
--- a/plugins/modules/gitlab_group_access_token.py
+++ b/plugins/modules/gitlab_group_access_token.py
@@ -245,7 +245,7 @@ def main():
                              'create_runner',
                              'ai_features',
                              'k8s_proxy']),
-        access_level=dict(type='str', required=False, default='maintainer', choices=['guest', 'reporter', 'developer', 'maintainer', 'owner']),
+        access_level=dict(type='str', default='maintainer', choices=['guest', 'reporter', 'developer', 'maintainer', 'owner']),
         expires_at=dict(type='str', required=True),
         recreate=dict(type='str', default='never', choices=['never', 'always', 'state_change'])
     ))
diff --git a/plugins/modules/gitlab_group_variable.py b/plugins/modules/gitlab_group_variable.py
index 3bda53ee94..10ca467bcd 100644
--- a/plugins/modules/gitlab_group_variable.py
+++ b/plugins/modules/gitlab_group_variable.py
@@ -372,11 +372,11 @@ def main():
     argument_spec.update(auth_argument_spec())
     argument_spec.update(
         group=dict(type='str', required=True),
-        purge=dict(type='bool', required=False, default=False),
-        vars=dict(type='dict', required=False, default=dict(), no_log=True),
+        purge=dict(type='bool', default=False),
+        vars=dict(type='dict', default=dict(), no_log=True),
         # please mind whenever changing the variables dict to also change module_utils/gitlab.py's
         # KNOWN dict in filter_returned_variables or bad evil will happen
-        variables=dict(type='list', elements='dict', required=False, default=list(), options=dict(
+        variables=dict(type='list', elements='dict', default=list(), options=dict(
             name=dict(type='str', required=True),
             value=dict(type='str', no_log=True),
             masked=dict(type='bool', default=False),
diff --git a/plugins/modules/gitlab_hook.py b/plugins/modules/gitlab_hook.py
index d6a188146d..87c8aa635a 100644
--- a/plugins/modules/gitlab_hook.py
+++ b/plugins/modules/gitlab_hook.py
@@ -307,7 +307,7 @@ def main():
         job_events=dict(type='bool', default=False),
         pipeline_events=dict(type='bool', default=False),
         wiki_page_events=dict(type='bool', default=False),
-        releases_events=dict(type='bool', default=None),
+        releases_events=dict(type='bool'),
         hook_validate_certs=dict(type='bool', default=False, aliases=['enable_ssl_verification']),
         token=dict(type='str', no_log=True),
     ))
diff --git a/plugins/modules/gitlab_instance_variable.py b/plugins/modules/gitlab_instance_variable.py
index e167b60fc7..0f2c9b7752 100644
--- a/plugins/modules/gitlab_instance_variable.py
+++ b/plugins/modules/gitlab_instance_variable.py
@@ -301,8 +301,8 @@ def main():
     argument_spec = basic_auth_argument_spec()
     argument_spec.update(auth_argument_spec())
     argument_spec.update(
-        purge=dict(type='bool', required=False, default=False),
-        variables=dict(type='list', elements='dict', required=False, default=list(), options=dict(
+        purge=dict(type='bool', default=False),
+        variables=dict(type='list', elements='dict', default=list(), options=dict(
             name=dict(type='str', required=True),
             value=dict(type='str', no_log=True),
             masked=dict(type='bool', default=False),
diff --git a/plugins/modules/gitlab_issue.py b/plugins/modules/gitlab_issue.py
index b76c633226..c6bf6f8328 100644
--- a/plugins/modules/gitlab_issue.py
+++ b/plugins/modules/gitlab_issue.py
@@ -284,13 +284,13 @@ def main():
     argument_spec = basic_auth_argument_spec()
     argument_spec.update(auth_argument_spec())
     argument_spec.update(
-        assignee_ids=dict(type='list', elements='str', required=False),
-        description=dict(type='str', required=False),
-        description_path=dict(type='path', required=False),
-        issue_type=dict(type='str', default='issue', choices=["issue", "incident", "test_case"], required=False),
-        labels=dict(type='list', elements='str', required=False),
-        milestone_search=dict(type='str', required=False),
-        milestone_group_id=dict(type='str', required=False),
+        assignee_ids=dict(type='list', elements='str'),
+        description=dict(type='str'),
+        description_path=dict(type='path'),
+        issue_type=dict(type='str', default='issue', choices=["issue", "incident", "test_case"]),
+        labels=dict(type='list', elements='str'),
+        milestone_search=dict(type='str'),
+        milestone_group_id=dict(type='str'),
         project=dict(type='str', required=True),
         state=dict(type='str', default="present", choices=["absent", "present"]),
         state_filter=dict(type='str', default="opened", choices=["opened", "closed"]),
diff --git a/plugins/modules/gitlab_label.py b/plugins/modules/gitlab_label.py
index 2fe8d8d567..a139d1fcbd 100644
--- a/plugins/modules/gitlab_label.py
+++ b/plugins/modules/gitlab_label.py
@@ -410,16 +410,16 @@ def main():
     argument_spec = basic_auth_argument_spec()
     argument_spec.update(auth_argument_spec())
     argument_spec.update(
-        project=dict(type='str', required=False, default=None),
-        group=dict(type='str', required=False, default=None),
-        purge=dict(type='bool', required=False, default=False),
-        labels=dict(type='list', elements='dict', required=False, default=list(),
+        project=dict(type='str'),
+        group=dict(type='str'),
+        purge=dict(type='bool', default=False),
+        labels=dict(type='list', elements='dict', default=list(),
                     options=dict(
                         name=dict(type='str', required=True),
-                        color=dict(type='str', required=False),
-                        description=dict(type='str', required=False),
-                        priority=dict(type='int', required=False),
-                        new_name=dict(type='str', required=False),)
+                        color=dict(type='str'),
+                        description=dict(type='str'),
+                        priority=dict(type='int'),
+                        new_name=dict(type='str'),)
                     ),
         state=dict(type='str', default="present", choices=["absent", "present"]),
     )
diff --git a/plugins/modules/gitlab_merge_request.py b/plugins/modules/gitlab_merge_request.py
index 126c0e66f3..922b224c1f 100644
--- a/plugins/modules/gitlab_merge_request.py
+++ b/plugins/modules/gitlab_merge_request.py
@@ -287,13 +287,13 @@ def main():
         source_branch=dict(type='str', required=True),
         target_branch=dict(type='str', required=True),
         title=dict(type='str', required=True),
-        description=dict(type='str', required=False),
-        labels=dict(type='str', default="", required=False),
-        description_path=dict(type='path', required=False),
-        remove_source_branch=dict(type='bool', default=False, required=False),
+        description=dict(type='str'),
+        labels=dict(type='str', default=""),
+        description_path=dict(type='path'),
+        remove_source_branch=dict(type='bool', default=False),
         state_filter=dict(type='str', default="opened", choices=["opened", "closed", "locked", "merged"]),
-        assignee_ids=dict(type='str', required=False),
-        reviewer_ids=dict(type='str', required=False),
+        assignee_ids=dict(type='str'),
+        reviewer_ids=dict(type='str'),
         state=dict(type='str', default="present", choices=["absent", "present"]),
     )
 
diff --git a/plugins/modules/gitlab_milestone.py b/plugins/modules/gitlab_milestone.py
index 2e3ac23e75..1406f96ffb 100644
--- a/plugins/modules/gitlab_milestone.py
+++ b/plugins/modules/gitlab_milestone.py
@@ -411,15 +411,15 @@ def main():
     argument_spec = basic_auth_argument_spec()
     argument_spec.update(auth_argument_spec())
     argument_spec.update(
-        project=dict(type='str', required=False, default=None),
-        group=dict(type='str', required=False, default=None),
-        purge=dict(type='bool', required=False, default=False),
-        milestones=dict(type='list', elements='dict', required=False, default=list(),
+        project=dict(type='str'),
+        group=dict(type='str'),
+        purge=dict(type='bool', default=False),
+        milestones=dict(type='list', elements='dict', default=list(),
                         options=dict(
                             title=dict(type='str', required=True),
-                            description=dict(type='str', required=False),
-                            due_date=dict(type='str', required=False),
-                            start_date=dict(type='str', required=False),)
+                            description=dict(type='str'),
+                            due_date=dict(type='str'),
+                            start_date=dict(type='str'),)
                         ),
         state=dict(type='str', default="present", choices=["absent", "present"]),
     )
diff --git a/plugins/modules/gitlab_project.py b/plugins/modules/gitlab_project.py
index 16efadc738..1e2140e24a 100644
--- a/plugins/modules/gitlab_project.py
+++ b/plugins/modules/gitlab_project.py
@@ -600,7 +600,7 @@ def main():
         builds_access_level=dict(type='str', choices=['private', 'disabled', 'enabled']),
         build_timeout=dict(type='int'),
         ci_config_path=dict(type='str'),
-        container_expiration_policy=dict(type='dict', default=None, options=dict(
+        container_expiration_policy=dict(type='dict', options=dict(
             cadence=dict(type='str', choices=["1d", "7d", "14d", "1month", "3month"]),
             enabled=dict(type='bool'),
             keep_n=dict(type='int', choices=[0, 1, 5, 10, 25, 50, 100]),
diff --git a/plugins/modules/gitlab_project_access_token.py b/plugins/modules/gitlab_project_access_token.py
index 82e9e0733f..3747870d9a 100644
--- a/plugins/modules/gitlab_project_access_token.py
+++ b/plugins/modules/gitlab_project_access_token.py
@@ -243,7 +243,7 @@ def main():
                              'create_runner',
                              'ai_features',
                              'k8s_proxy']),
-        access_level=dict(type='str', required=False, default='maintainer', choices=['guest', 'reporter', 'developer', 'maintainer', 'owner']),
+        access_level=dict(type='str', default='maintainer', choices=['guest', 'reporter', 'developer', 'maintainer', 'owner']),
         expires_at=dict(type='str', required=True),
         recreate=dict(type='str', default='never', choices=['never', 'always', 'state_change'])
     ))
diff --git a/plugins/modules/gitlab_project_variable.py b/plugins/modules/gitlab_project_variable.py
index 21cec19217..4c261f5978 100644
--- a/plugins/modules/gitlab_project_variable.py
+++ b/plugins/modules/gitlab_project_variable.py
@@ -394,11 +394,11 @@ def main():
     argument_spec.update(auth_argument_spec())
     argument_spec.update(
         project=dict(type='str', required=True),
-        purge=dict(type='bool', required=False, default=False),
-        vars=dict(type='dict', required=False, default=dict(), no_log=True),
+        purge=dict(type='bool', default=False),
+        vars=dict(type='dict', default=dict(), no_log=True),
         # please mind whenever changing the variables dict to also change module_utils/gitlab.py's
         # KNOWN dict in filter_returned_variables or bad evil will happen
-        variables=dict(type='list', elements='dict', required=False, default=list(), options=dict(
+        variables=dict(type='list', elements='dict', default=list(), options=dict(
             name=dict(type='str', required=True),
             value=dict(type='str', no_log=True),
             masked=dict(type='bool', default=False),
diff --git a/plugins/modules/grove.py b/plugins/modules/grove.py
index 7d9b5c8213..81417657c8 100644
--- a/plugins/modules/grove.py
+++ b/plugins/modules/grove.py
@@ -101,8 +101,8 @@ def main():
             channel_token=dict(type='str', required=True, no_log=True),
             message_content=dict(type='str', required=True),
             service=dict(type='str', default='ansible'),
-            url=dict(type='str', default=None),
-            icon_url=dict(type='str', default=None),
+            url=dict(type='str'),
+            icon_url=dict(type='str'),
             validate_certs=dict(default=True, type='bool'),
         )
     )
diff --git a/plugins/modules/hg.py b/plugins/modules/hg.py
index 9d51b3f198..982364504c 100644
--- a/plugins/modules/hg.py
+++ b/plugins/modules/hg.py
@@ -222,12 +222,12 @@ def main():
         argument_spec=dict(
             repo=dict(type='str', required=True, aliases=['name']),
             dest=dict(type='path'),
-            revision=dict(type='str', default=None, aliases=['version']),
+            revision=dict(type='str', aliases=['version']),
             force=dict(type='bool', default=False),
             purge=dict(type='bool', default=False),
             update=dict(type='bool', default=True),
             clone=dict(type='bool', default=True),
-            executable=dict(type='str', default=None),
+            executable=dict(type='str'),
         ),
     )
     repo = module.params['repo']
diff --git a/plugins/modules/homebrew.py b/plugins/modules/homebrew.py
index cf00619180..021f990e67 100644
--- a/plugins/modules/homebrew.py
+++ b/plugins/modules/homebrew.py
@@ -807,13 +807,11 @@ def main():
         argument_spec=dict(
             name=dict(
                 aliases=["pkg", "package", "formula"],
-                required=False,
                 type='list',
                 elements='str',
             ),
             path=dict(
                 default="/usr/local/bin:/opt/homebrew/bin:/home/linuxbrew/.linuxbrew/bin",
-                required=False,
                 type='path',
             ),
             state=dict(
@@ -835,13 +833,11 @@ def main():
                 type='bool',
             ),
             install_options=dict(
-                default=None,
                 aliases=['options'],
                 type='list',
                 elements='str',
             ),
             upgrade_options=dict(
-                default=None,
                 type='list',
                 elements='str',
             ),
diff --git a/plugins/modules/homebrew_cask.py b/plugins/modules/homebrew_cask.py
index 7455a61d69..948f5c1fd1 100644
--- a/plugins/modules/homebrew_cask.py
+++ b/plugins/modules/homebrew_cask.py
@@ -734,13 +734,11 @@ def main():
         argument_spec=dict(
             name=dict(
                 aliases=["pkg", "package", "cask"],
-                required=False,
                 type='list',
                 elements='str',
             ),
             path=dict(
                 default="/usr/local/bin:/opt/homebrew/bin",
-                required=False,
                 type='path',
             ),
             state=dict(
@@ -753,7 +751,6 @@ def main():
             ),
             sudo_password=dict(
                 type="str",
-                required=False,
                 no_log=True,
             ),
             update_homebrew=dict(
@@ -761,7 +758,6 @@ def main():
                 type='bool',
             ),
             install_options=dict(
-                default=None,
                 aliases=['options'],
                 type='list',
                 elements='str',
diff --git a/plugins/modules/homebrew_tap.py b/plugins/modules/homebrew_tap.py
index f070ccccc7..f50472f90d 100644
--- a/plugins/modules/homebrew_tap.py
+++ b/plugins/modules/homebrew_tap.py
@@ -220,11 +220,10 @@ def main():
     module = AnsibleModule(
         argument_spec=dict(
             name=dict(aliases=['tap'], type='list', required=True, elements='str'),
-            url=dict(default=None, required=False),
+            url=dict(),
             state=dict(default='present', choices=['present', 'absent']),
             path=dict(
                 default="/usr/local/bin:/opt/homebrew/bin:/home/linuxbrew/.linuxbrew/bin",
-                required=False,
                 type='path',
             ),
         ),
diff --git a/plugins/modules/honeybadger_deployment.py b/plugins/modules/honeybadger_deployment.py
index cc8147371f..2512fc2642 100644
--- a/plugins/modules/honeybadger_deployment.py
+++ b/plugins/modules/honeybadger_deployment.py
@@ -88,9 +88,9 @@ def main():
             token=dict(required=True, no_log=True),
             environment=dict(required=True),
             user=dict(required=False),
-            repo=dict(required=False),
-            revision=dict(required=False),
-            url=dict(required=False, default='https://api.honeybadger.io/v1/deploys'),
+            repo=dict(),
+            revision=dict(),
+            url=dict(default='https://api.honeybadger.io/v1/deploys'),
             validate_certs=dict(default=True, type='bool'),
         ),
         supports_check_mode=True
diff --git a/plugins/modules/htpasswd.py b/plugins/modules/htpasswd.py
index 4c78507d7b..d8a755476f 100644
--- a/plugins/modules/htpasswd.py
+++ b/plugins/modules/htpasswd.py
@@ -191,9 +191,9 @@ def main():
     arg_spec = dict(
         path=dict(type='path', required=True, aliases=["dest", "destfile"]),
         name=dict(type='str', required=True, aliases=["username"]),
-        password=dict(type='str', required=False, default=None, no_log=True),
-        hash_scheme=dict(type='str', required=False, default="apr_md5_crypt", aliases=["crypt_scheme"]),
-        state=dict(type='str', required=False, default="present", choices=["present", "absent"]),
+        password=dict(type='str', no_log=True),
+        hash_scheme=dict(type='str', default="apr_md5_crypt", aliases=["crypt_scheme"]),
+        state=dict(type='str', default="present", choices=["present", "absent"]),
         create=dict(type='bool', default=True),
 
     )
diff --git a/plugins/modules/icinga2_host.py b/plugins/modules/icinga2_host.py
index 83ef73c8c7..d78f607aae 100644
--- a/plugins/modules/icinga2_host.py
+++ b/plugins/modules/icinga2_host.py
@@ -235,11 +235,11 @@ def main():
         state=dict(default="present", choices=["absent", "present"]),
         name=dict(required=True, aliases=['host']),
         zone=dict(),
-        template=dict(default=None),
+        template=dict(),
         check_command=dict(default="hostalive"),
-        display_name=dict(default=None),
+        display_name=dict(),
         ip=dict(),
-        variables=dict(type='dict', default=None),
+        variables=dict(type='dict'),
     )
 
     # Define the main module
diff --git a/plugins/modules/influxdb_user.py b/plugins/modules/influxdb_user.py
index 234bdafab6..45410e76a5 100644
--- a/plugins/modules/influxdb_user.py
+++ b/plugins/modules/influxdb_user.py
@@ -217,7 +217,7 @@ def main():
     argument_spec.update(
         state=dict(default='present', type='str', choices=['present', 'absent']),
         user_name=dict(required=True, type='str'),
-        user_password=dict(required=False, type='str', no_log=True),
+        user_password=dict(type='str', no_log=True),
         admin=dict(default='False', type='bool'),
         grants=dict(type='list', elements='dict'),
     )
diff --git a/plugins/modules/ini_file.py b/plugins/modules/ini_file.py
index e8b5916667..04fe92fa08 100644
--- a/plugins/modules/ini_file.py
+++ b/plugins/modules/ini_file.py
@@ -584,7 +584,7 @@ def main():
                 option=dict(type='str', required=True),
                 value=dict(type='str'),
                 values=dict(type='list', elements='str')
-            ), default=None, mutually_exclusive=[['value', 'values']]),
+            ), mutually_exclusive=[['value', 'values']]),
             option=dict(type='str'),
             value=dict(type='str'),
             values=dict(type='list', elements='str'),
diff --git a/plugins/modules/ipa_dnsrecord.py b/plugins/modules/ipa_dnsrecord.py
index f4051b66ac..3cba35b11c 100644
--- a/plugins/modules/ipa_dnsrecord.py
+++ b/plugins/modules/ipa_dnsrecord.py
@@ -353,7 +353,7 @@ def main():
         record_value=dict(type='str'),
         record_values=dict(type='list', elements='str'),
         state=dict(type='str', default='present', choices=['present', 'absent']),
-        record_ttl=dict(type='int', required=False),
+        record_ttl=dict(type='int'),
     )
 
     module = AnsibleModule(
diff --git a/plugins/modules/ipa_dnszone.py b/plugins/modules/ipa_dnszone.py
index b536c258d2..81a99bc54b 100644
--- a/plugins/modules/ipa_dnszone.py
+++ b/plugins/modules/ipa_dnszone.py
@@ -173,8 +173,8 @@ def main():
     argument_spec = ipa_argument_spec()
     argument_spec.update(zone_name=dict(type='str', required=True),
                          state=dict(type='str', default='present', choices=['present', 'absent']),
-                         dynamicupdate=dict(type='bool', required=False, default=False),
-                         allowsyncptr=dict(type='bool', required=False, default=False),
+                         dynamicupdate=dict(type='bool', default=False),
+                         allowsyncptr=dict(type='bool', default=False),
                          )
 
     module = AnsibleModule(argument_spec=argument_spec,
diff --git a/plugins/modules/ipa_service.py b/plugins/modules/ipa_service.py
index 54c5575950..51ace78760 100644
--- a/plugins/modules/ipa_service.py
+++ b/plugins/modules/ipa_service.py
@@ -197,10 +197,10 @@ def main():
     argument_spec = ipa_argument_spec()
     argument_spec.update(
         krbcanonicalname=dict(type='str', required=True, aliases=['name']),
-        force=dict(type='bool', required=False),
-        skip_host_check=dict(type='bool', default=False, required=False),
-        hosts=dict(type='list', required=False, elements='str'),
-        state=dict(type='str', required=False, default='present',
+        force=dict(type='bool'),
+        skip_host_check=dict(type='bool', default=False),
+        hosts=dict(type='list', elements='str'),
+        state=dict(type='str', default='present',
                    choices=['present', 'absent']))
 
     module = AnsibleModule(argument_spec=argument_spec,
diff --git a/plugins/modules/ipbase_info.py b/plugins/modules/ipbase_info.py
index 6bbd6df1e9..7a2dde13d6 100644
--- a/plugins/modules/ipbase_info.py
+++ b/plugins/modules/ipbase_info.py
@@ -285,10 +285,10 @@ class IpbaseInfo(object):
 
 def main():
     module_args = dict(
-        ip=dict(type='str', required=False, no_log=False),
-        apikey=dict(type='str', required=False, no_log=True),
-        hostname=dict(type='bool', required=False, no_log=False, default=False),
-        language=dict(type='str', required=False, no_log=False, default='en'),
+        ip=dict(type='str', no_log=False),
+        apikey=dict(type='str', no_log=True),
+        hostname=dict(type='bool', no_log=False, default=False),
+        language=dict(type='str', no_log=False, default='en'),
     )
 
     module = AnsibleModule(
diff --git a/plugins/modules/ipwcli_dns.py b/plugins/modules/ipwcli_dns.py
index 58ff5fef28..604eb82b5f 100644
--- a/plugins/modules/ipwcli_dns.py
+++ b/plugins/modules/ipwcli_dns.py
@@ -271,18 +271,18 @@ def run_module():
         dnsname=dict(type='str', required=True),
         type=dict(type='str', required=True, choices=['A', 'AAAA', 'SRV', 'NAPTR']),
         container=dict(type='str', required=True),
-        address=dict(type='str', required=False),
-        ttl=dict(type='int', required=False, default=3600),
+        address=dict(type='str'),
+        ttl=dict(type='int', default=3600),
         state=dict(type='str', default='present', choices=['absent', 'present']),
-        priority=dict(type='int', required=False, default=10),
-        weight=dict(type='int', required=False, default=10),
-        port=dict(type='int', required=False),
-        target=dict(type='str', required=False),
-        order=dict(type='int', required=False),
-        preference=dict(type='int', required=False),
-        flags=dict(type='str', required=False, choices=['S', 'A', 'U', 'P']),
-        service=dict(type='str', required=False),
-        replacement=dict(type='str', required=False),
+        priority=dict(type='int', default=10),
+        weight=dict(type='int', default=10),
+        port=dict(type='int'),
+        target=dict(type='str'),
+        order=dict(type='int'),
+        preference=dict(type='int'),
+        flags=dict(type='str', choices=['S', 'A', 'U', 'P']),
+        service=dict(type='str'),
+        replacement=dict(type='str'),
         username=dict(type='str', required=True),
         password=dict(type='str', required=True, no_log=True)
     )
diff --git a/plugins/modules/irc.py b/plugins/modules/irc.py
index 60112ac0de..d18c9fd85f 100644
--- a/plugins/modules/irc.py
+++ b/plugins/modules/irc.py
@@ -311,7 +311,7 @@ def main():
             server=dict(default='localhost'),
             port=dict(type='int', default=6667),
             nick=dict(default='ansible'),
-            nick_to=dict(required=False, type='list', elements='str'),
+            nick_to=dict(type='list', elements='str'),
             msg=dict(required=True),
             color=dict(default="none", aliases=['colour'], choices=["white", "black", "blue",
                                                                     "green", "red", "brown",
@@ -320,7 +320,7 @@ def main():
                                                                     "light_blue", "pink", "gray",
                                                                     "light_gray", "none"]),
             style=dict(default="none", choices=["underline", "reverse", "bold", "italic", "none"]),
-            channel=dict(required=False),
+            channel=dict(),
             key=dict(no_log=True),
             topic=dict(),
             passwd=dict(no_log=True),
diff --git a/plugins/modules/jabber.py b/plugins/modules/jabber.py
index 01a34ff9f5..ab73672410 100644
--- a/plugins/modules/jabber.py
+++ b/plugins/modules/jabber.py
@@ -108,9 +108,9 @@ def main():
             password=dict(required=True, no_log=True),
             to=dict(required=True),
             msg=dict(required=True),
-            host=dict(required=False),
-            port=dict(required=False, default=5222, type='int'),
-            encoding=dict(required=False),
+            host=dict(),
+            port=dict(default=5222, type='int'),
+            encoding=dict(),
         ),
         supports_check_mode=True
     )
diff --git a/plugins/modules/jenkins_credential.py b/plugins/modules/jenkins_credential.py
index 1f97dafed2..3bd8a9dd7a 100644
--- a/plugins/modules/jenkins_credential.py
+++ b/plugins/modules/jenkins_credential.py
@@ -565,7 +565,7 @@ def run_module():
             name=dict(type="str"),
             username=dict(type="str"),
             password=dict(type="str", no_log=True),
-            file_path=dict(type="path", default=None),
+            file_path=dict(type="path"),
             secret=dict(type="str", no_log=True),
             appID=dict(type="str"),
             api_uri=dict(type="str", default="https://api.github.com"),
diff --git a/plugins/modules/jenkins_job.py b/plugins/modules/jenkins_job.py
index a33b512fee..8362a40255 100644
--- a/plugins/modules/jenkins_job.py
+++ b/plugins/modules/jenkins_job.py
@@ -350,14 +350,14 @@ def job_config_to_string(xml_str):
 def main():
     module = AnsibleModule(
         argument_spec=dict(
-            config=dict(type='str', required=False),
+            config=dict(type='str'),
             name=dict(type='str', required=True),
-            password=dict(type='str', required=False, no_log=True),
-            state=dict(type='str', required=False, choices=['present', 'absent'], default="present"),
-            enabled=dict(required=False, type='bool'),
-            token=dict(type='str', required=False, no_log=True),
-            url=dict(type='str', required=False, default="http://localhost:8080"),
-            user=dict(type='str', required=False),
+            password=dict(type='str', no_log=True),
+            state=dict(type='str', choices=['present', 'absent'], default="present"),
+            enabled=dict(type='bool'),
+            token=dict(type='str', no_log=True),
+            url=dict(type='str', default="http://localhost:8080"),
+            user=dict(type='str'),
             validate_certs=dict(type='bool', default=True),
         ),
         mutually_exclusive=[
diff --git a/plugins/modules/jenkins_script.py b/plugins/modules/jenkins_script.py
index bf01f97761..5a00581366 100644
--- a/plugins/modules/jenkins_script.py
+++ b/plugins/modules/jenkins_script.py
@@ -142,12 +142,12 @@ def main():
     module = AnsibleModule(
         argument_spec=dict(
             script=dict(required=True, type="str"),
-            url=dict(required=False, type="str", default="http://localhost:8080"),
-            validate_certs=dict(required=False, type="bool", default=True),
-            user=dict(required=False, type="str", default=None),
-            password=dict(required=False, no_log=True, type="str", default=None),
-            timeout=dict(required=False, type="int", default=10),
-            args=dict(required=False, type="dict", default=None)
+            url=dict(type="str", default="http://localhost:8080"),
+            validate_certs=dict(type="bool", default=True),
+            user=dict(type="str"),
+            password=dict(no_log=True, type="str"),
+            timeout=dict(type="int", default=10),
+            args=dict(type="dict")
         )
     )