diff --git a/changelogs/fragments/10905-java-keystore-simplify.yml b/changelogs/fragments/10905-java-keystore-simplify.yml
new file mode 100644
index 0000000000..7b2a0de53a
--- /dev/null
+++ b/changelogs/fragments/10905-java-keystore-simplify.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - java_keystore - remove redundant function (https://github.com/ansible-collections/community.general/pull/10905).
diff --git a/plugins/modules/java_keystore.py b/plugins/modules/java_keystore.py
index 9222ae679b..6cb063e883 100644
--- a/plugins/modules/java_keystore.py
+++ b/plugins/modules/java_keystore.py
@@ -259,7 +259,7 @@ class JavaKeystore:
             except (OSError, ValueError) as e:
                 self.module.fail_json(msg="Unable to read the provided certificate: %s" % to_native(e))
 
-            fp = hex_decode(cert.fingerprint(hashes.SHA256())).upper()
+            fp = cert.fingerprint(hashes.SHA256()).hex().upper()
             fingerprint = ':'.join([fp[i:i + 2] for i in range(0, len(fp), 2)])
         else:
             current_certificate_fingerprint_cmd = [
@@ -507,10 +507,6 @@ def create_file(content):
     return tmpfile
 
 
-def hex_decode(s):
-    return s.hex()
-
-
 def main():
     choose_between = (['certificate', 'certificate_path'],
                       ['private_key', 'private_key_path'])