diff --git a/plugins/modules/gcp_compute_backend_service.py b/plugins/modules/gcp_compute_backend_service.py
index 8c2552d..49e7a88 100644
--- a/plugins/modules/gcp_compute_backend_service.py
+++ b/plugins/modules/gcp_compute_backend_service.py
@@ -229,10 +229,6 @@ options:
         description:
         - OAuth2 Client Secret for IAP.
         required: false
-      oauth2_client_secret_sha256:
-        description:
-        - OAuth2 Client Secret SHA-256 for IAP.
-        required: false
   load_balancing_scheme:
     description:
     - Indicates whether the backend service will be used with internal or external
@@ -657,15 +653,7 @@ def main():
             description=dict(type='str'),
             enable_cdn=dict(type='bool'),
             health_checks=dict(type='list', elements='str'),
-            iap=dict(
-                type='dict',
-                options=dict(
-                    enabled=dict(type='bool'),
-                    oauth2_client_id=dict(type='str'),
-                    oauth2_client_secret=dict(type='str'),
-                    oauth2_client_secret_sha256=dict(type='str'),
-                ),
-            ),
+            iap=dict(type='dict', options=dict(enabled=dict(type='bool'), oauth2_client_id=dict(type='str'), oauth2_client_secret=dict(type='str'))),
             load_balancing_scheme=dict(type='str', choices=['INTERNAL', 'EXTERNAL']),
             name=dict(type='str'),
             port_name=dict(type='str'),
diff --git a/plugins/modules/gcp_compute_disk.py b/plugins/modules/gcp_compute_disk.py
index 271db2c..ec8543e 100644
--- a/plugins/modules/gcp_compute_disk.py
+++ b/plugins/modules/gcp_compute_disk.py
@@ -124,11 +124,6 @@ options:
         - Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648
           base64 to either encrypt or decrypt this resource.
         required: false
-      sha256:
-        description:
-        - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption
-          key that protects this resource.
-        required: false
       kms_key_name:
         description:
         - The name of the encryption key that is stored in Google Cloud KMS.
@@ -150,11 +145,6 @@ options:
         - Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648
           base64 to either encrypt or decrypt this resource.
         required: false
-      sha256:
-        description:
-        - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption
-          key that protects this resource.
-        required: false
       kms_key_name:
         description:
         - The name of the encryption key that is stored in Google Cloud KMS.
@@ -183,11 +173,6 @@ options:
         description:
         - The name of the encryption key that is stored in Google Cloud KMS.
         required: false
-      sha256:
-        description:
-        - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption
-          key that protects this resource.
-        required: false
 extends_documentation_fragment: gcp
 notes:
 - 'API Reference: U(https://cloud.google.com/compute/docs/reference/latest/disks)'
@@ -436,10 +421,10 @@ def main():
             type=dict(type='str'),
             source_image=dict(type='str'),
             zone=dict(required=True, type='str'),
-            source_image_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), sha256=dict(type='str'), kms_key_name=dict(type='str'))),
-            disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), sha256=dict(type='str'), kms_key_name=dict(type='str'))),
+            source_image_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), kms_key_name=dict(type='str'))),
+            disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), kms_key_name=dict(type='str'))),
             source_snapshot=dict(),
-            source_snapshot_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), kms_key_name=dict(type='str'), sha256=dict(type='str'))),
+            source_snapshot_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), kms_key_name=dict(type='str'))),
         )
     )
 
diff --git a/plugins/modules/gcp_compute_image.py b/plugins/modules/gcp_compute_image.py
index 5ecbf7b..f27231e 100644
--- a/plugins/modules/gcp_compute_image.py
+++ b/plugins/modules/gcp_compute_image.py
@@ -106,11 +106,6 @@ options:
         - Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648
           base64 to either encrypt or decrypt this resource.
         required: false
-      sha256:
-        description:
-        - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption
-          key that protects this resource.
-        required: false
   labels:
     description:
     - Labels to apply to this Image.
@@ -173,11 +168,6 @@ options:
         - Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648
           base64 to either encrypt or decrypt this resource.
         required: false
-      sha256:
-        description:
-        - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption
-          key that protects this resource.
-        required: false
   source_disk_id:
     description:
     - The ID value of the disk used to create this image. This value may be used to
@@ -453,7 +443,7 @@ def main():
             disk_size_gb=dict(type='int'),
             family=dict(type='str'),
             guest_os_features=dict(type='list', elements='dict', options=dict(type=dict(type='str', choices=['VIRTIO_SCSI_MULTIQUEUE']))),
-            image_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), sha256=dict(type='str'))),
+            image_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'))),
             labels=dict(type='dict'),
             licenses=dict(type='list', elements='str'),
             name=dict(required=True, type='str'),
@@ -462,7 +452,7 @@ def main():
                 options=dict(container_type=dict(type='str', choices=['TAR']), sha1_checksum=dict(type='str'), source=dict(required=True, type='str')),
             ),
             source_disk=dict(),
-            source_disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), sha256=dict(type='str'))),
+            source_disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'))),
             source_disk_id=dict(type='str'),
             source_type=dict(type='str', choices=['RAW']),
         )
diff --git a/plugins/modules/gcp_compute_instance.py b/plugins/modules/gcp_compute_instance.py
index 21bf960..1687eb9 100644
--- a/plugins/modules/gcp_compute_instance.py
+++ b/plugins/modules/gcp_compute_instance.py
@@ -98,11 +98,6 @@ options:
             - Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied
               encryption key to either encrypt or decrypt this resource.
             required: false
-          sha256:
-            description:
-            - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption
-              key that protects this resource.
-            required: false
       index:
         description:
         - Assigns a zero-based index to this disk, where 0 is reserved for the boot
@@ -156,11 +151,6 @@ options:
                 - Specifies a 256-bit customer-supplied encryption key, encoded in
                   RFC 4648 base64 to either encrypt or decrypt this resource.
                 required: false
-              sha256:
-                description:
-                - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied
-                  encryption key that protects this resource.
-                required: false
       interface:
         description:
         - Specifies the disk interface to use for attaching this disk, which is either
@@ -302,11 +292,6 @@ options:
               from which to allocate the IP CIDR range for this alias IP range. If
               left unspecified, the primary range of the subnetwork will be used.
             required: false
-      name:
-        description:
-        - The name of the network interface, generated by the server. For network
-          devices, these are eth0, eth1, etc .
-        required: false
       network:
         description:
         - Specifies the title of an existing network. When creating an instance, if
@@ -902,7 +887,7 @@ def main():
                     auto_delete=dict(type='bool'),
                     boot=dict(type='bool'),
                     device_name=dict(type='str'),
-                    disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), rsa_encrypted_key=dict(type='str'), sha256=dict(type='str'))),
+                    disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), rsa_encrypted_key=dict(type='str'))),
                     index=dict(type='int'),
                     initialize_params=dict(
                         type='dict',
@@ -911,7 +896,7 @@ def main():
                             disk_size_gb=dict(type='int'),
                             disk_type=dict(type='str'),
                             source_image=dict(type='str', aliases=['image', 'image_family']),
-                            source_image_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), sha256=dict(type='str'))),
+                            source_image_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'))),
                         ),
                     ),
                     interface=dict(type='str', choices=['SCSI', 'NVME']),
@@ -936,7 +921,6 @@ def main():
                         options=dict(name=dict(required=True, type='str'), nat_ip=dict(), type=dict(required=True, type='str', choices=['ONE_TO_ONE_NAT'])),
                     ),
                     alias_ip_ranges=dict(type='list', elements='dict', options=dict(ip_cidr_range=dict(type='str'), subnetwork_range_name=dict(type='str'))),
-                    name=dict(type='str'),
                     network=dict(),
                     network_ip=dict(type='str'),
                     subnetwork=dict(),
diff --git a/plugins/modules/gcp_compute_instance_template.py b/plugins/modules/gcp_compute_instance_template.py
index ee90ace..eebdfa5 100644
--- a/plugins/modules/gcp_compute_instance_template.py
+++ b/plugins/modules/gcp_compute_instance_template.py
@@ -123,11 +123,6 @@ options:
                 - Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied
                   encryption key to either encrypt or decrypt this resource.
                 required: false
-              sha256:
-                description:
-                - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied
-                  encryption key that protects this resource.
-                required: false
           index:
             description:
             - Assigns a zero-based index to this disk, where 0 is reserved for the
@@ -179,11 +174,6 @@ options:
                     - Specifies a 256-bit customer-supplied encryption key, encoded
                       in RFC 4648 base64 to either encrypt or decrypt this resource.
                     required: false
-                  sha256:
-                    description:
-                    - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied
-                      encryption key that protects this resource.
-                    required: false
           interface:
             description:
             - Specifies the disk interface to use for attaching this disk, which is
@@ -315,11 +305,6 @@ options:
                   range. If left unspecified, the primary range of the subnetwork
                   will be used.
                 required: false
-          name:
-            description:
-            - The name of the network interface, generated by the server. For network
-              devices, these are eth0, eth1, etc .
-            required: false
           network:
             description:
             - Specifies the title of an existing network. When creating an instance,
@@ -878,9 +863,7 @@ def main():
                             auto_delete=dict(type='bool'),
                             boot=dict(type='bool'),
                             device_name=dict(type='str'),
-                            disk_encryption_key=dict(
-                                type='dict', options=dict(raw_key=dict(type='str'), rsa_encrypted_key=dict(type='str'), sha256=dict(type='str'))
-                            ),
+                            disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), rsa_encrypted_key=dict(type='str'))),
                             index=dict(type='int'),
                             initialize_params=dict(
                                 type='dict',
@@ -889,7 +872,7 @@ def main():
                                     disk_size_gb=dict(type='int'),
                                     disk_type=dict(type='str'),
                                     source_image=dict(type='str'),
-                                    source_image_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), sha256=dict(type='str'))),
+                                    source_image_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'))),
                                 ),
                             ),
                             interface=dict(type='str', choices=['SCSI', 'NVME']),
@@ -916,7 +899,6 @@ def main():
                             alias_ip_ranges=dict(
                                 type='list', elements='dict', options=dict(ip_cidr_range=dict(type='str'), subnetwork_range_name=dict(type='str'))
                             ),
-                            name=dict(type='str'),
                             network=dict(),
                             network_ip=dict(type='str'),
                             subnetwork=dict(),
diff --git a/plugins/modules/gcp_compute_region_disk.py b/plugins/modules/gcp_compute_region_disk.py
index 627ce87..416e85b 100644
--- a/plugins/modules/gcp_compute_region_disk.py
+++ b/plugins/modules/gcp_compute_region_disk.py
@@ -118,11 +118,6 @@ options:
         - Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648
           base64 to either encrypt or decrypt this resource.
         required: false
-      sha256:
-        description:
-        - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption
-          key that protects this resource.
-        required: false
   source_snapshot:
     description:
     - The source snapshot used to create this disk. You can provide this as a partial
@@ -143,11 +138,6 @@ options:
         - Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648
           base64 to either encrypt or decrypt this resource.
         required: false
-      sha256:
-        description:
-        - The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption
-          key that protects this resource.
-        required: false
 extends_documentation_fragment: gcp
 notes:
 - 'API Reference: U(https://cloud.google.com/compute/docs/reference/rest/beta/regionDisks)'
@@ -345,9 +335,9 @@ def main():
             replica_zones=dict(required=True, type='list', elements='str'),
             type=dict(type='str'),
             region=dict(required=True, type='str'),
-            disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), sha256=dict(type='str'))),
+            disk_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'))),
             source_snapshot=dict(),
-            source_snapshot_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'), sha256=dict(type='str'))),
+            source_snapshot_encryption_key=dict(type='dict', options=dict(raw_key=dict(type='str'))),
         )
     )
 
diff --git a/plugins/modules/gcp_container_cluster.py b/plugins/modules/gcp_container_cluster.py
index 6564d7a..3f0edf6 100644
--- a/plugins/modules/gcp_container_cluster.py
+++ b/plugins/modules/gcp_container_cluster.py
@@ -170,20 +170,6 @@ options:
           Because the master endpoint is open to the Internet, you should create a
           strong password.
         required: false
-      cluster_ca_certificate:
-        description:
-        - Base64-encoded public certificate that is the root of trust for the cluster.
-        required: false
-      client_certificate:
-        description:
-        - Base64-encoded public certificate used by clients to authenticate to the
-          cluster endpoint.
-        required: false
-      client_key:
-        description:
-        - Base64-encoded private key used by clients to authenticate to the cluster
-          endpoint.
-        required: false
   logging_service:
     description:
     - 'The logging service the cluster should use to write logs. Currently available
@@ -672,16 +658,7 @@ def main():
                     preemptible=dict(type='bool'),
                 ),
             ),
-            master_auth=dict(
-                type='dict',
-                options=dict(
-                    username=dict(type='str'),
-                    password=dict(type='str'),
-                    cluster_ca_certificate=dict(type='str'),
-                    client_certificate=dict(type='str'),
-                    client_key=dict(type='str'),
-                ),
-            ),
+            master_auth=dict(type='dict', options=dict(username=dict(type='str'), password=dict(type='str'))),
             logging_service=dict(type='str', choices=['logging.googleapis.com', 'none']),
             monitoring_service=dict(type='str', choices=['monitoring.googleapis.com', 'none']),
             network=dict(type='str'),
diff --git a/plugins/modules/gcp_container_node_pool.py b/plugins/modules/gcp_container_node_pool.py
index e0cf122..d7416aa 100644
--- a/plugins/modules/gcp_container_node_pool.py
+++ b/plugins/modules/gcp_container_node_pool.py
@@ -188,17 +188,7 @@ options:
         description:
         - Specifies the Auto Upgrade knobs for the node pool.
         required: false
-        suboptions:
-          auto_upgrade_start_time:
-            description:
-            - This field is set when upgrades are about to commence with the approximate
-              start time for the upgrades, in RFC3339 text format.
-            required: false
-          description:
-            description:
-            - This field is set when upgrades are about to commence with the description
-              of the upgrade.
-            required: false
+        suboptions: {}
   cluster:
     description:
     - The cluster this node pool belongs to.
@@ -464,12 +454,7 @@ def main():
             initial_node_count=dict(required=True, type='int'),
             autoscaling=dict(type='dict', options=dict(enabled=dict(type='bool'), min_node_count=dict(type='int'), max_node_count=dict(type='int'))),
             management=dict(
-                type='dict',
-                options=dict(
-                    auto_upgrade=dict(type='bool'),
-                    auto_repair=dict(type='bool'),
-                    upgrade_options=dict(type='dict', options=dict(auto_upgrade_start_time=dict(type='str'), description=dict(type='str'))),
-                ),
+                type='dict', options=dict(auto_upgrade=dict(type='bool'), auto_repair=dict(type='bool'), upgrade_options=dict(type='dict', options=dict()))
             ),
             cluster=dict(required=True),
             location=dict(required=True, type='str', aliases=['region', 'zone']),
diff --git a/plugins/modules/gcp_sql_instance.py b/plugins/modules/gcp_sql_instance.py
index f1fd075..9301b4f 100644
--- a/plugins/modules/gcp_sql_instance.py
+++ b/plugins/modules/gcp_sql_instance.py
@@ -82,13 +82,6 @@ options:
       to Second Generation instances.
     required: false
     suboptions:
-      available:
-        description:
-        - The availability status of the failover replica. A false status indicates
-          that the failover replica is out of sync. The master can only failover to
-          the failover replica when the status is true.
-        required: false
-        type: bool
       name:
         description:
         - The name of the failover replica. If specified at instance creation, a failover
@@ -286,13 +279,6 @@ options:
             description:
             - Define the backup start time in UTC (HH:MM) .
             required: false
-      settings_version:
-        description:
-        - The version of instance settings. This is a required field for update method
-          to make sure concurrent updates are handled properly. During update, use
-          the most recent settingsVersion value for this instance and do not try to
-          update this value.
-        required: false
 extends_documentation_fragment: gcp
 '''
 
@@ -624,7 +610,7 @@ def main():
             backend_type=dict(type='str', choices=['FIRST_GEN', 'SECOND_GEN', 'EXTERNAL']),
             connection_name=dict(type='str'),
             database_version=dict(type='str', choices=['MYSQL_5_5', 'MYSQL_5_6', 'MYSQL_5_7', 'POSTGRES_9_6']),
-            failover_replica=dict(type='dict', options=dict(available=dict(type='bool'), name=dict(type='str'))),
+            failover_replica=dict(type='dict', options=dict(name=dict(type='str'))),
             instance_type=dict(type='str', choices=['CLOUD_SQL_INSTANCE', 'ON_PREMISES_INSTANCE', 'READ_REPLICA_INSTANCE']),
             ipv6_address=dict(type='str'),
             master_instance_name=dict(type='str'),
@@ -672,7 +658,6 @@ def main():
                     backup_configuration=dict(
                         type='dict', options=dict(enabled=dict(type='bool'), binary_log_enabled=dict(type='bool'), start_time=dict(type='str'))
                     ),
-                    settings_version=dict(type='int'),
                 ),
             ),
         )
diff --git a/plugins/modules/gcp_storage_bucket.py b/plugins/modules/gcp_storage_bucket.py
index 0da5659..2e73866 100644
--- a/plugins/modules/gcp_storage_bucket.py
+++ b/plugins/modules/gcp_storage_bucket.py
@@ -65,14 +65,6 @@ options:
           string Alternatively, you can add `register: name-of-resource` to a gcp_storage_bucket
           task and then set this bucket field to "{{ name-of-resource }}"'
         required: true
-      domain:
-        description:
-        - The domain associated with the entity.
-        required: false
-      email:
-        description:
-        - The email address associated with the entity.
-        required: false
       entity:
         description:
         - 'The entity holding the permission, in one of the following forms: user-userId
@@ -87,10 +79,6 @@ options:
         description:
         - The ID for the entity.
         required: false
-      id:
-        description:
-        - The ID of the access-control entry.
-        required: false
       project_team:
         description:
         - The project team associated with the entity.
@@ -156,14 +144,6 @@ options:
           string Alternatively, you can add `register: name-of-resource` to a gcp_storage_bucket
           task and then set this bucket field to "{{ name-of-resource }}"'
         required: true
-      domain:
-        description:
-        - The domain associated with the entity.
-        required: false
-      email:
-        description:
-        - The email address associated with the entity.
-        required: false
       entity:
         description:
         - 'The entity holding the permission, in one of the following forms: * user-{{userId}}
@@ -172,39 +152,10 @@ options:
           (such as "domain-example.com") * project-team-{{projectId}} * allUsers *
           allAuthenticatedUsers .'
         required: true
-      entity_id:
-        description:
-        - The ID for the entity.
-        required: false
-      generation:
-        description:
-        - The content generation of the object, if applied to an object.
-        required: false
-      id:
-        description:
-        - The ID of the access-control entry.
-        required: false
       object:
         description:
         - The name of the object, if applied to an object.
         required: false
-      project_team:
-        description:
-        - The project team associated with the entity.
-        required: false
-        suboptions:
-          project_number:
-            description:
-            - The project team associated with the entity.
-            required: false
-          team:
-            description:
-            - The team.
-            required: false
-            choices:
-            - editors
-            - owners
-            - viewers
       role:
         description:
         - The access permission for the entity.
@@ -313,10 +264,6 @@ options:
         description:
         - The entity, in the form project-owner-projectId.
         required: false
-      entity_id:
-        description:
-        - The ID for the entity.
-        required: false
   storage_class:
     description:
     - The bucket's default storage class, used whenever no storageClass is specified
@@ -794,11 +741,8 @@ def main():
                 elements='dict',
                 options=dict(
                     bucket=dict(required=True),
-                    domain=dict(type='str'),
-                    email=dict(type='str'),
                     entity=dict(required=True, type='str'),
                     entity_id=dict(type='str'),
-                    id=dict(type='str'),
                     project_team=dict(
                         type='dict', options=dict(project_number=dict(type='str'), team=dict(type='str', choices=['editors', 'owners', 'viewers']))
                     ),
@@ -820,16 +764,8 @@ def main():
                 elements='dict',
                 options=dict(
                     bucket=dict(required=True),
-                    domain=dict(type='str'),
-                    email=dict(type='str'),
                     entity=dict(required=True, type='str'),
-                    entity_id=dict(type='str'),
-                    generation=dict(type='int'),
-                    id=dict(type='str'),
                     object=dict(type='str'),
-                    project_team=dict(
-                        type='dict', options=dict(project_number=dict(type='str'), team=dict(type='str', choices=['editors', 'owners', 'viewers']))
-                    ),
                     role=dict(required=True, type='str', choices=['OWNER', 'READER']),
                 ),
             ),
@@ -861,7 +797,7 @@ def main():
             logging=dict(type='dict', options=dict(log_bucket=dict(type='str'), log_object_prefix=dict(type='str'))),
             metageneration=dict(type='int'),
             name=dict(type='str'),
-            owner=dict(type='dict', options=dict(entity=dict(type='str'), entity_id=dict(type='str'))),
+            owner=dict(type='dict', options=dict(entity=dict(type='str'))),
             storage_class=dict(type='str', choices=['MULTI_REGIONAL', 'REGIONAL', 'STANDARD', 'NEARLINE', 'COLDLINE', 'DURABLE_REDUCED_AVAILABILITY']),
             versioning=dict(type='dict', options=dict(enabled=dict(type='bool'))),
             website=dict(type='dict', options=dict(main_page_suffix=dict(type='str'), not_found_page=dict(type='str'))),