diff --git a/src/backend/distributed/commands/distribute_object_ops.c b/src/backend/distributed/commands/distribute_object_ops.c
index a378bf2de..08ae7c26a 100644
--- a/src/backend/distributed/commands/distribute_object_ops.c
+++ b/src/backend/distributed/commands/distribute_object_ops.c
@@ -763,6 +763,7 @@ static DistributeObjectOps Index_Drop = {
 	.markDistributed = false,
 };
 
+#if PG_VERSION_NUM >= PG_VERSION_15
 static DistributeObjectOps Parameter_Grant = {
 	.deparse = DeparseGrantOnParameterStmt,
 	.qualify = NULL,
@@ -773,6 +774,7 @@ static DistributeObjectOps Parameter_Grant = {
 	.address = NULL,
 	.markDistributed = false,
 };
+#endif /* PG_VERSION_NUM >= PG_VERSION_14  */
 
 static DistributeObjectOps Policy_Drop = {
 	.deparse = NULL,
@@ -2072,11 +2074,12 @@ GetDistributeObjectOps(Node *node)
 				{
 					return &Database_Grant;
 				}
-
+#if PG_VERSION_NUM >= PG_VERSION_15
 				case OBJECT_PARAMETER_ACL:
 				{
 					return &Parameter_Grant;
 				}
+#endif
 
 				default:
 				{
diff --git a/src/backend/distributed/commands/parameter.c b/src/backend/distributed/commands/parameter.c
index 86cd1b26d..5f2d4cb9b 100644
--- a/src/backend/distributed/commands/parameter.c
+++ b/src/backend/distributed/commands/parameter.c
@@ -1,3 +1,5 @@
+#include "pg_version_constants.h"
+#if PG_VERSION_NUM >= PG_VERSION_15
 #include "postgres.h"
 
 #include "access/genam.h"
@@ -164,3 +166,4 @@ GrantOnParameters(void)
 
 	return commands;
 }
+#endif /* PG_VERSION_NUM >= PG_VERSION_15 */
diff --git a/src/backend/distributed/deparser/deparse_parameter_stmts.c b/src/backend/distributed/deparser/deparse_parameter_stmts.c
index b5f9b5afd..1df225601 100644
--- a/src/backend/distributed/deparser/deparse_parameter_stmts.c
+++ b/src/backend/distributed/deparser/deparse_parameter_stmts.c
@@ -6,6 +6,8 @@
  * -------------------------------------------------------------------------
  */
 
+#include "pg_version_constants.h"
+#if PG_VERSION_NUM >= PG_VERSION_15
 #include "postgres.h"
 
 #include "utils/builtins.h"
@@ -60,3 +62,4 @@ DeparseGrantOnParameterStmt(Node *node)
 
 	return str.data;
 }
+#endif /* PG_VERSION_NUM >= PG_VERSION_15 */
diff --git a/src/include/distributed/commands.h b/src/include/distributed/commands.h
index 789cad7da..dd63a985c 100644
--- a/src/include/distributed/commands.h
+++ b/src/include/distributed/commands.h
@@ -447,8 +447,10 @@ extern List * PreprocessDropOwnedStmt(Node *node, const char *queryString,
 									  ProcessUtilityContext processUtilityContext);
 extern List * PostprocessReassignOwnedStmt(Node *node, const char *queryString);
 
+#if PG_VERSION_NUM >= PG_VERSION_15
 /* parameter.c - forward declarations */
 extern List * PostprocessGrantParameterStmt(Node *node, const char *queryString);
+#endif /* PG_VERSION_NUM >= PG_VERSION_15 */
 
 /* policy.c -  forward declarations */
 extern List * CreatePolicyCommands(Oid relationId);
diff --git a/src/include/distributed/deparser.h b/src/include/distributed/deparser.h
index 5c60f1caa..ec630c3d0 100644
--- a/src/include/distributed/deparser.h
+++ b/src/include/distributed/deparser.h
@@ -254,8 +254,10 @@ extern char * DeparseCreateDatabaseStmt(Node *node);
 extern char * DeparseDropDatabaseStmt(Node *node);
 extern char * DeparseAlterDatabaseRenameStmt(Node *node);
 
+#if PG_VERSION_NUM >= PG_VERSION_15
 /* forward declarations for deparse_parameter_stmts.c*/
 extern char * DeparseGrantOnParameterStmt(Node *node);
+#endif /* PG_VERSION_NUM >= PG_VERSION_15 */
 
 /* forward declaration for deparse_publication_stmts.c */
 extern char * DeparseCreatePublicationStmt(Node *stmt);