2 files changed, 1 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
index 074ebb90a5..6318b1c65a 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -217,7 +217,7 @@ module ActiveRecord
               ]
             end
 
-            IndexDefinition.new(table_name, index_name, unique, columns, [], orders, where, nil, using.to_sym, comment)
+            IndexDefinition.new(table_name, index_name, unique, columns, [], orders, where, nil, using.to_sym, comment.presence)
           end.compact
         end
 
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 39a2cbbda7..bab80a8890 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -168,10 +168,6 @@ module ActiveRecord
         true
       end
 
-      def supports_comments_in_create?
-        false
-      end
-
       def supports_savepoints?
         true
       end