diff --git a/tests/libtest/first.h b/tests/libtest/first.h
index e64c87e269..63770202e9 100644
--- a/tests/libtest/first.h
+++ b/tests/libtest/first.h
@@ -54,6 +54,9 @@ extern int unitfail; /* for unittests */
 
 #include "curl_printf.h"
 
+#ifndef UNITTESTS
+#include "curl_memory.h"
+#endif
 #include "memdebug.h"
 
 /* GCC <4.6 does not support '#pragma GCC diagnostic push' and
diff --git a/tests/libtest/memptr.c b/tests/libtest/memptr.c
index 64e9fd7f8a..400e72c41a 100644
--- a/tests/libtest/memptr.c
+++ b/tests/libtest/memptr.c
@@ -23,8 +23,6 @@
  ***************************************************************************/
 #include "first.h"
 
-#include "curl_memory.h"
-
 #ifndef CURL_STATICLIB
 
 #if defined(_MSC_VER) && defined(_DLL)