diff --git a/lib/ansible/modules/database/postgresql/postgresql_info.py b/lib/ansible/modules/database/postgresql/postgresql_info.py
index c1d1a0c252a..c35e25b8ef4 100644
--- a/lib/ansible/modules/database/postgresql/postgresql_info.py
+++ b/lib/ansible/modules/database/postgresql/postgresql_info.py
@@ -473,7 +473,7 @@ try:
 except ImportError:
     HAS_PSYCOPG2 = False
 
-from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.basic import AnsibleModule, missing_required_lib
 from ansible.module_utils.database import SQLParseError
 from ansible.module_utils.postgres import postgres_common_argument_spec
 from ansible.module_utils._text import to_native
@@ -922,10 +922,7 @@ def main():
     argument_spec = postgres_common_argument_spec()
     argument_spec.update(
         db=dict(type='str', aliases=['login_db']),
-        port=dict(type='int', default=5432, aliases=['login_port']),
         filter=dict(type='list'),
-        ssl_mode=dict(type='str', default='prefer', choices=['allow', 'disable', 'prefer', 'require', 'verify-ca', 'verify-full']),
-        ca_cert=dict(type='str', aliases=['ssl_rootcert']),
         session_role=dict(type='str'),
     )
     module = AnsibleModule(
@@ -934,7 +931,7 @@ def main():
     )
 
     if not HAS_PSYCOPG2:
-        module.fail_json(msg="The python psycopg2 module is required")
+        module.fail_json(msg=missing_required_lib('psycopg2'))
 
     filter_ = module.params["filter"]
     sslrootcert = module.params["ca_cert"]
diff --git a/lib/ansible/modules/database/postgresql/postgresql_lang.py b/lib/ansible/modules/database/postgresql/postgresql_lang.py
index aa063c96e11..d7d1a6f56e9 100644
--- a/lib/ansible/modules/database/postgresql/postgresql_lang.py
+++ b/lib/ansible/modules/database/postgresql/postgresql_lang.py
@@ -174,10 +174,10 @@ import traceback
 PSYCOPG2_IMP_ERR = None
 try:
     import psycopg2
-    postgresqldb_found = True
+    HAS_PSYCOPG2 = True
 except ImportError:
     PSYCOPG2_IMP_ERR = traceback.format_exc()
-    postgresqldb_found = False
+    HAS_PSYCOPG2 = False
 
 from ansible.module_utils.basic import AnsibleModule, missing_required_lib
 from ansible.module_utils.postgres import postgres_common_argument_spec
@@ -267,7 +267,7 @@ def main():
     sslrootcert = module.params["ca_cert"]
     session_role = module.params["session_role"]
 
-    if not postgresqldb_found:
+    if not HAS_PSYCOPG2:
         module.fail_json(msg=missing_required_lib('psycopg2'), exception=PSYCOPG2_IMP_ERR)
 
     # To use defaults values, keyword arguments must be absent, so
diff --git a/lib/ansible/modules/database/postgresql/postgresql_ping.py b/lib/ansible/modules/database/postgresql/postgresql_ping.py
index e067f0434e7..f2716847431 100644
--- a/lib/ansible/modules/database/postgresql/postgresql_ping.py
+++ b/lib/ansible/modules/database/postgresql/postgresql_ping.py
@@ -78,7 +78,7 @@ try:
 except ImportError:
     HAS_PSYCOPG2 = False
 
-from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.basic import AnsibleModule, missing_required_lib
 from ansible.module_utils.database import SQLParseError
 from ansible.module_utils.postgres import postgres_common_argument_spec
 from ansible.module_utils._text import to_native
@@ -142,7 +142,7 @@ def main():
     )
 
     if not HAS_PSYCOPG2:
-        module.fail_json(msg="The python psycopg2 module is required")
+        module.fail_json(msg=missing_required_lib('psycopg2'))
 
     sslrootcert = module.params["ca_cert"]
 
diff --git a/lib/ansible/modules/database/postgresql/postgresql_schema.py b/lib/ansible/modules/database/postgresql/postgresql_schema.py
index a29526305fe..88fcc17a7b1 100644
--- a/lib/ansible/modules/database/postgresql/postgresql_schema.py
+++ b/lib/ansible/modules/database/postgresql/postgresql_schema.py
@@ -218,19 +218,11 @@ def schema_matches(cursor, schema, owner):
 def main():
     argument_spec = postgres_common_argument_spec()
     argument_spec.update(
-        login_user=dict(type="str", default="postgres"),
-        login_password=dict(type="str", default="", no_log=True),
-        login_host=dict(type="str", default=""),
-        login_unix_socket=dict(type="str", default=""),
-        port=dict(type="int", default=5432, aliases=["login_port"]),
         schema=dict(type="str", required=True, aliases=['name']),
         owner=dict(type="str", default=""),
         database=dict(type="str", default="postgres", aliases=["db", "login_db"]),
         cascade_drop=dict(type="bool", default=False),
         state=dict(type="str", default="present", choices=["absent", "present"]),
-        ssl_mode=dict(type="str", default='prefer', choices=[
-                      'disable', 'allow', 'prefer', 'require', 'verify-ca', 'verify-full']),
-        ca_cert=dict(type="str", default=None, aliases=['ssl_rootcert']),
         session_role=dict(type="str"),
     )
 
diff --git a/lib/ansible/modules/database/postgresql/postgresql_set.py b/lib/ansible/modules/database/postgresql/postgresql_set.py
index f6dceaddf7c..278c5ff47b2 100644
--- a/lib/ansible/modules/database/postgresql/postgresql_set.py
+++ b/lib/ansible/modules/database/postgresql/postgresql_set.py
@@ -165,7 +165,7 @@ try:
 except ImportError:
     HAS_PSYCOPG2 = False
 
-from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.basic import AnsibleModule, missing_required_lib
 from ansible.module_utils.database import SQLParseError
 from ansible.module_utils.postgres import postgres_common_argument_spec
 from ansible.module_utils.six import iteritems
@@ -296,9 +296,6 @@ def main():
     argument_spec.update(
         name=dict(type='str', required=True),
         db=dict(type='str', aliases=['login_db']),
-        port=dict(type='int', default=5432, aliases=['login_port']),
-        ssl_mode=dict(type='str', default='prefer', choices=['allow', 'disable', 'prefer', 'require', 'verify-ca', 'verify-full']),
-        ca_cert=dict(type='str', aliases=['ssl_rootcert']),
         value=dict(type='str'),
         reset=dict(type='bool'),
         session_role=dict(type='str'),
@@ -309,7 +306,7 @@ def main():
     )
 
     if not HAS_PSYCOPG2:
-        module.fail_json(msg="the python psycopg2 module is required")
+        module.fail_json(msg=missing_required_lib('psycopg2'))
 
     name = module.params["name"]
     value = module.params["value"]
diff --git a/lib/ansible/modules/database/postgresql/postgresql_table.py b/lib/ansible/modules/database/postgresql/postgresql_table.py
index 6f5afa63861..70edaa35036 100644
--- a/lib/ansible/modules/database/postgresql/postgresql_table.py
+++ b/lib/ansible/modules/database/postgresql/postgresql_table.py
@@ -444,9 +444,6 @@ def main():
         table=dict(type='str', required=True, aliases=['name']),
         state=dict(type='str', default="present", choices=["absent", "present"]),
         db=dict(type='str', default='', aliases=['login_db']),
-        port=dict(type='int', default=5432, aliases=['login_port']),
-        ssl_mode=dict(type='str', default='prefer', choices=['allow', 'disable', 'prefer', 'require', 'verify-ca', 'verify-full']),
-        ca_cert=dict(type='str', aliases=['ssl_rootcert']),
         tablespace=dict(type='str'),
         owner=dict(type='str'),
         unlogged=dict(type='bool'),
diff --git a/lib/ansible/modules/database/postgresql/postgresql_tablespace.py b/lib/ansible/modules/database/postgresql/postgresql_tablespace.py
index c394689ccb3..30cd23a2ebe 100644
--- a/lib/ansible/modules/database/postgresql/postgresql_tablespace.py
+++ b/lib/ansible/modules/database/postgresql/postgresql_tablespace.py
@@ -347,9 +347,6 @@ def main():
         set=dict(type='dict'),
         rename_to=dict(type='str'),
         db=dict(type='str', aliases=['login_db']),
-        port=dict(type='int', default=5432, aliases=['login_port']),
-        ssl_mode=dict(type='str', default='prefer', choices=['allow', 'disable', 'prefer', 'require', 'verify-ca', 'verify-full']),
-        ca_cert=dict(type='str', aliases=['ssl_rootcert']),
         session_role=dict(type='str'),
     )