diff --git a/src/backend/commands/createas.c b/src/backend/commands/createas.c
index fe0b380b13e..9abbb6b5552 100644
--- a/src/backend/commands/createas.c
+++ b/src/backend/commands/createas.c
@@ -42,19 +42,15 @@
 #include "nodes/makefuncs.h"
 #include "nodes/nodeFuncs.h"
 #include "parser/parse_clause.h"
-#include "parser/parser.h"
 #include "rewrite/rewriteHandler.h"
 #include "storage/smgr.h"
 #include "tcop/tcopprot.h"
-#include "tcop/utility.h"
 #include "utils/builtins.h"
 #include "utils/lsyscache.h"
 #include "utils/rel.h"
 #include "utils/rls.h"
 #include "utils/snapmgr.h"
 
-bbfSelectIntoAddIdentity_hook_type bbfSelectIntoAddIdentity_hook = NULL;
-
 typedef struct
 {
 	DestReceiver pub;			/* publicly-known function pointers */
@@ -114,11 +110,6 @@ create_ctas_internal(List *attrList, IntoClause *into)
 	create->if_not_exists = false;
 	create->accessMethod = into->accessMethod;
 
-	if (sql_dialect == SQL_DIALECT_TSQL)
-	{
-		if(into->identityName && bbfSelectIntoAddIdentity_hook)
-			(*bbfSelectIntoAddIdentity_hook)(into, create->tableElts);
-	}
 	/*
 	 * Create the relation.  (This will error out if there's an existing view,
 	 * so we don't need more code to complain if "replace" is false.)
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 01cdb62ccf5..7e306802fc7 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -1435,8 +1435,6 @@ _copyIntoClause(const IntoClause *from)
 	COPY_STRING_FIELD(tableSpaceName);
 	COPY_NODE_FIELD(viewQuery);
 	COPY_SCALAR_FIELD(skipData);
-	COPY_STRING_FIELD(identityName);
-	COPY_STRING_FIELD(identityType);
 
 	return newnode;
 }
diff --git a/src/backend/nodes/equalfuncs.c b/src/backend/nodes/equalfuncs.c
index a6c4b92a625..d728fb70f70 100644
--- a/src/backend/nodes/equalfuncs.c
+++ b/src/backend/nodes/equalfuncs.c
@@ -212,8 +212,6 @@ _equalIntoClause(const IntoClause *a, const IntoClause *b)
 	COMPARE_STRING_FIELD(tableSpaceName);
 	COMPARE_NODE_FIELD(viewQuery);
 	COMPARE_SCALAR_FIELD(skipData);
-	COMPARE_STRING_FIELD(identityName);
-	COMPARE_STRING_FIELD(identityType);
 
 	return true;
 }
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index 8f1ac9a3cde..c7b1cadb58f 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -1134,8 +1134,6 @@ _outIntoClause(StringInfo str, const IntoClause *node)
 	WRITE_STRING_FIELD(tableSpaceName);
 	WRITE_NODE_FIELD(viewQuery);
 	WRITE_BOOL_FIELD(skipData);
-	WRITE_STRING_FIELD(identityName);
-	WRITE_STRING_FIELD(identityType);
 }
 
 static void
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c
index 4833ec3471d..6a05b694152 100644
--- a/src/backend/nodes/readfuncs.c
+++ b/src/backend/nodes/readfuncs.c
@@ -605,8 +605,6 @@ _readIntoClause(void)
 	READ_STRING_FIELD(tableSpaceName);
 	READ_NODE_FIELD(viewQuery);
 	READ_BOOL_FIELD(skipData);
-	READ_STRING_FIELD(identityName);
-	READ_STRING_FIELD(identityType);
 
 	READ_DONE();
 }
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h
index d5bdfe861e2..cfa3327805c 100644
--- a/src/include/nodes/primnodes.h
+++ b/src/include/nodes/primnodes.h
@@ -126,8 +126,6 @@ typedef struct IntoClause
 	char	   *tableSpaceName; /* table space to use, or NULL */
 	Node	   *viewQuery;		/* materialized view's SELECT query */
 	bool		skipData;		/* true for WITH NO DATA */
-	char       *identityName;	/* resname for Identity Column*/
-	char       *identityType; 	/* pg type for Identity Column*/
 } IntoClause;
 
 
diff --git a/src/include/tcop/utility.h b/src/include/tcop/utility.h
index 3b093e25ed6..71560af62ad 100644
--- a/src/include/tcop/utility.h
+++ b/src/include/tcop/utility.h
@@ -115,7 +115,4 @@ typedef void (*bbfSelectIntoUtility_hook_type)(struct ParseState *pstate, Planne
 						  ParamListInfo params, QueryCompletion *qc);
 extern PGDLLIMPORT bbfSelectIntoUtility_hook_type bbfSelectIntoUtility_hook;
 
-typedef void (*bbfSelectIntoAddIdentity_hook_type)(IntoClause *into, List *tableElts);
-extern PGDLLIMPORT bbfSelectIntoAddIdentity_hook_type bbfSelectIntoAddIdentity_hook;
-
 #endif							/* UTILITY_H */