diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c
index 591a0a3957..a203e6f1ff 100644
--- a/src/backend/optimizer/util/relnode.c
+++ b/src/backend/optimizer/util/relnode.c
@@ -28,7 +28,6 @@
 #include "optimizer/plancat.h"
 #include "optimizer/restrictinfo.h"
 #include "optimizer/tlist.h"
-#include "partitioning/partbounds.h"
 #include "utils/hsearch.h"
 #include "utils/lsyscache.h"