diff --git a/src/interfaces/ecpg/include/ecpglib.h b/src/interfaces/ecpg/include/ecpglib.h
index 8645aed3a8..d728d2e55a 100644
--- a/src/interfaces/ecpg/include/ecpglib.h
+++ b/src/interfaces/ecpg/include/ecpglib.h
@@ -6,7 +6,6 @@
 #ifndef _ECPGLIB_H
 #define _ECPGLIB_H
 
-#include "postgres_ext.h"
 #include "libpq-fe.h"
 
 #ifndef __BEOS__