diff --git a/src/backend/distributed/commands/extension.c b/src/backend/distributed/commands/extension.c
index 9b57a3ea4..a4b1bf275 100644
--- a/src/backend/distributed/commands/extension.c
+++ b/src/backend/distributed/commands/extension.c
@@ -149,16 +149,6 @@ PostprocessCreateExtensionStmt(Node *node, const char *queryString)
 	/* extension management can only be done via coordinator node */
 	EnsureCoordinator();
 
-	/*
-	 * Make sure that no new nodes are added after this point until the end of the
-	 * transaction by taking a RowShareLock on pg_dist_node, which conflicts with the
-	 * ExclusiveLock taken by citus_add_node.
-	 * This guarantees that all active nodes will have the extension, because they will
-	 * either get it now, or get it in citus_add_node after this transaction finishes and
-	 * the pg_dist_object record becomes visible.
-	 */
-	LockRelationOid(DistNodeRelationId(), RowShareLock);
-
 	/*
 	 * Make sure that the current transaction is already in sequential mode,
 	 * or can still safely be put in sequential mode
@@ -262,16 +252,6 @@ PreprocessDropExtensionStmt(Node *node, const char *queryString,
 	/* extension management can only be done via coordinator node */
 	EnsureCoordinator();
 
-	/*
-	 * Make sure that no new nodes are added after this point until the end of the
-	 * transaction by taking a RowShareLock on pg_dist_node, which conflicts with the
-	 * ExclusiveLock taken by citus_add_node.
-	 * This guarantees that all active nodes will drop the extension, because they will
-	 * either get it now, or get it in citus_add_node after this transaction finishes and
-	 * the pg_dist_object record becomes visible.
-	 */
-	LockRelationOid(DistNodeRelationId(), RowShareLock);
-
 	/*
 	 * Make sure that the current transaction is already in sequential mode,
 	 * or can still safely be put in sequential mode
@@ -398,15 +378,6 @@ PreprocessAlterExtensionSchemaStmt(Node *node, const char *queryString,
 	/* extension management can only be done via coordinator node */
 	EnsureCoordinator();
 
-	/*
-	 * Make sure that no new nodes are added after this point until the end of the
-	 * transaction by taking a RowShareLock on pg_dist_node, which conflicts with the
-	 * ExclusiveLock taken by citus_add_node.
-	 * This guarantees that all active nodes will update the extension schema after
-	 * this transaction finishes and the pg_dist_object record becomes visible.
-	 */
-	LockRelationOid(DistNodeRelationId(), RowShareLock);
-
 	/*
 	 * Make sure that the current transaction is already in sequential mode,
 	 * or can still safely be put in sequential mode
@@ -466,16 +437,6 @@ PreprocessAlterExtensionUpdateStmt(Node *node, const char *queryString,
 	/* extension management can only be done via coordinator node */
 	EnsureCoordinator();
 
-	/*
-	 * Make sure that no new nodes are added after this point until the end of the
-	 * transaction by taking a RowShareLock on pg_dist_node, which conflicts with the
-	 * ExclusiveLock taken by citus_add_node.
-	 * This guarantees that all active nodes will update the extension version, because
-	 * they will either get it now, or get it in citus_add_node after this transaction
-	 * finishes and the pg_dist_object record becomes visible.
-	 */
-	LockRelationOid(DistNodeRelationId(), RowShareLock);
-
 	/*
 	 * Make sure that the current transaction is already in sequential mode,
 	 * or can still safely be put in sequential mode
diff --git a/src/backend/distributed/commands/role.c b/src/backend/distributed/commands/role.c
index 511f54f3c..9bd4d5d44 100644
--- a/src/backend/distributed/commands/role.c
+++ b/src/backend/distributed/commands/role.c
@@ -140,13 +140,6 @@ PostprocessAlterRoleStmt(Node *node, const char *queryString)
 
 	AlterRoleStmt *stmt = castNode(AlterRoleStmt, node);
 
-	/*
-	 * Make sure that no new nodes are added after this point until the end of the
-	 * transaction by taking a RowShareLock on pg_dist_node, which conflicts with the
-	 * ExclusiveLock taken by citus_add_node.
-	 */
-	LockRelationOid(DistNodeRelationId(), RowShareLock);
-
 	DefElem *option = NULL;
 	foreach_ptr(option, stmt->options)
 	{
diff --git a/src/backend/distributed/commands/type.c b/src/backend/distributed/commands/type.c
index 83cdc1a6b..5c2c3f48c 100644
--- a/src/backend/distributed/commands/type.c
+++ b/src/backend/distributed/commands/type.c
@@ -130,16 +130,6 @@ PreprocessCompositeTypeStmt(Node *node, const char *queryString,
 	 */
 	EnsureCoordinator();
 
-	/*
-	 * Make sure that no new nodes are added after this point until the end of the
-	 * transaction by taking a RowShareLock on pg_dist_node, which conflicts with the
-	 * ExclusiveLock taken by citus_add_node.
-	 * This guarantees that all active nodes will have the object, because they will
-	 * either get it now, or get it in citus_add_node after this transaction finishes and
-	 * the pg_dist_object record becomes visible.
-	 */
-	LockRelationOid(DistNodeRelationId(), RowShareLock);
-
 	/* fully qualify before lookup and later deparsing */
 	QualifyTreeNode(node);
 
diff --git a/src/backend/distributed/metadata/node_metadata.c b/src/backend/distributed/metadata/node_metadata.c
index 5640f2c81..6da08c02e 100644
--- a/src/backend/distributed/metadata/node_metadata.c
+++ b/src/backend/distributed/metadata/node_metadata.c
@@ -180,9 +180,6 @@ citus_set_coordinator_host(PG_FUNCTION_ARGS)
 	Name nodeClusterName = PG_GETARG_NAME(3);
 	nodeMetadata.nodeCluster = NameStr(*nodeClusterName);
 
-	/* prevent concurrent modification */
-	LockRelationOid(DistNodeRelationId(), RowShareLock);
-
 	bool isCoordinatorInMetadata = false;
 	WorkerNode *coordinatorNode = PrimaryNodeForGroup(COORDINATOR_GROUP_ID,
 													  &isCoordinatorInMetadata);
@@ -1410,12 +1407,6 @@ AddNodeMetadata(char *nodeName, int32 nodePort,
 
 	*nodeAlreadyExists = false;
 
-	/*
-	 * Prevent / wait for concurrent modification before checking whether
-	 * the worker already exists in pg_dist_node.
-	 */
-	LockRelationOid(DistNodeRelationId(), RowShareLock);
-
 	WorkerNode *workerNode = FindWorkerNodeAnyCluster(nodeName, nodePort);
 	if (workerNode != NULL)
 	{