diff --git a/src/common/backend/nodes/outfuncs.cpp b/src/common/backend/nodes/outfuncs.cpp
index b4b43006f..dbb4adb3d 100755
--- a/src/common/backend/nodes/outfuncs.cpp
+++ b/src/common/backend/nodes/outfuncs.cpp
@@ -115,10 +115,7 @@
 /*
  * For the new created type, we have to bind the typname and typnamespace information
  * so that the data node can decode it.
- * But in single node, we don't need it.
  */
-#ifdef ENABLE_MULTIPLE_NODES
-
 #define WRITE_TYPEINFO_WITHOID(typid)                                                \
     if ((typid) >= FirstBootstrapObjectId && IsStatisfyUpdateCompatibility(typid)) { \
         char* exprtypename = NULL;                                                   \
@@ -154,14 +151,6 @@
             WRITE_TYPEINFO_WITHOID(typid)      \
         }                                      \
     } while (0)
-#else  /* not def ENABLE_MULTIPLE_NODES */
-
-#define WRITE_TYPEINFO_WITHOID(typid)       ((void)0)
-#define WRITE_TYPEINFO_FIELD(fldname)       ((void)0)
-#define WRITE_TYPEINFO_LIST(fldname)        ((void)0)
-#define WRITE_TYPEINFO_ARRAY(fldname, size) ((void)0)
-
-#endif  /* ENABLE_MULTIPLE_NODES */
 
 /*
  * Write full-text search configuration's name out of its oid
diff --git a/src/common/backend/nodes/readfuncs.cpp b/src/common/backend/nodes/readfuncs.cpp
index c46f02a8f..e16993a4b 100755
--- a/src/common/backend/nodes/readfuncs.cpp
+++ b/src/common/backend/nodes/readfuncs.cpp
@@ -401,13 +401,6 @@ THR_LOCAL bool skip_read_extern_fields = false;
     token = pg_strtok(&length); /* skip :fldname */ \
     local_node->fldname = _readBitmapset()
 
-/*
- * For the new created type, we have to bind the typname and typnamespace information
- * so that the data node can decode it.
- * But in single node, we don't need it.
- */
-#ifdef ENABLE_MULTIPLE_NODES
-
 #define READ_TYPEINFO_FIELD(fldname)                                                                          \
     do {                                                                                                      \
         if (local_node->fldname >= FirstBootstrapObjectId) {                                                  \
@@ -469,14 +462,6 @@ THR_LOCAL bool skip_read_extern_fields = false;
             READ_TYPEINFO(local_node->fldname[i]);                        \
         }                                                                 \
     } while (0);
-#else  /* not def ENABLE_MULTIPLE_NODES */
-
-#define READ_TYPEINFO_FIELD(fldname)      ((void)0)
-#define READ_TYPEINFO(typePtr)            ((void)0)
-#define READ_TYPEINFO_LIST(fldname)       ((void)0)
-#define READ_TYPINFO_ARRAY(fldname, size) ((void)0)
-
-#endif  /* ENABLE_MULTIPLE_NODES */
 
 /* read full-text search configuratio's oid from its name */
 #define READ_CFGINFO_FIELD(fldname1, fldname2)                                                                        \