diff --git a/lib/common/threading.c b/lib/common/threading.c
index 4e47b6b91..a82c975b2 100644
--- a/lib/common/threading.c
+++ b/lib/common/threading.c
@@ -14,12 +14,8 @@
  * This file will hold wrapper for systems, which do not support pthreads
  */
 
-/* When ZSTD_MULTITHREAD is not defined, this file would become an empty translation unit.
- * Include some ISO C header code to prevent this and portably avoid related warnings.
- * (Visual C++: C4206 / GCC: -Wpedantic / Clang: -Wempty-translation-unit)
- */
-#include <stddef.h>
-
+/* create fake symbol to avoid empty trnaslation unit warning */
+int g_ZSTD_threading_useles_symbol;
 
 #if defined(ZSTD_MULTITHREAD) && defined(_WIN32)