diff --git a/progs/tests/cva_huge.c b/progs/tests/cva_huge.c
index da63596d486..88ec2af2a84 100644
--- a/progs/tests/cva_huge.c
+++ b/progs/tests/cva_huge.c
@@ -32,11 +32,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#ifdef __VMS
-# include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
-#else
-# include <malloc.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
-#endif
+#include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
 #ifdef _WIN32
 #include <windows.h>
 #endif