diff --git a/src/osal.h b/src/osal.h
index 2b6ecb4a..a058ebaf 100644
--- a/src/osal.h
+++ b/src/osal.h
@@ -171,7 +171,7 @@ typedef char pathchar_t;
 #define MDBX_PRIsPATH "s"
 #endif
 
-static inline bool osal_yield(void) {
+MDBX_MAYBE_UNUSED static inline bool osal_yield(void) {
 #if defined(_WIN32) || defined(_WIN64)
   return SleepEx(0, true) == WAIT_IO_COMPLETION;
 #else