diff --git a/legacy/eina/src/include/eina_inline_lock_win32.x b/legacy/eina/src/include/eina_inline_lock_win32.x
index 752db90473..750dd3acbd 100644
--- a/legacy/eina/src/include/eina_inline_lock_win32.x
+++ b/legacy/eina/src/include/eina_inline_lock_win32.x
@@ -42,7 +42,9 @@ eina_lock_free(Eina_Lock *mutex)
 static inline Eina_Bool
 eina_lock_take(Eina_Lock *mutex)
 {
+#ifdef EINA_HAVE_ON_OFF_THREADS
    if (!_eina_threads_activated) return EINA_FALSE;
+#endif
 
    EnterCriticalSection(mutex);
 
@@ -52,7 +54,9 @@ eina_lock_take(Eina_Lock *mutex)
 static inline Eina_Bool
 eina_lock_take_try(Eina_Lock *mutex)
 {
+#ifdef EINA_HAVE_ON_OFF_THREADS
    if (!_eina_threads_activated) return EINA_FALSE;
+#endif
 
    return TryEnterCriticalSection(mutex) == 0 ? EINA_FALSE : EINA_TRUE;
 }
@@ -60,7 +64,9 @@ eina_lock_take_try(Eina_Lock *mutex)
 static inline Eina_Bool
 eina_lock_release(Eina_Lock *mutex)
 {
+#ifdef EINA_HAVE_ON_OFF_THREADS
    if (!_eina_threads_activated) return EINA_FALSE;
+#endif
 
    LeaveCriticalSection(mutex);
 
diff --git a/legacy/eina/src/include/eina_inline_lock_wince.x b/legacy/eina/src/include/eina_inline_lock_wince.x
index 57c9092547..53267af0a0 100644
--- a/legacy/eina/src/include/eina_inline_lock_wince.x
+++ b/legacy/eina/src/include/eina_inline_lock_wince.x
@@ -46,7 +46,9 @@ eina_lock_take(Eina_Lock *mutex)
 {
    DWORD res;
 
+#ifdef EINA_HAVE_ON_OFF_THREADS
    if (!_eina_threads_activated) return EINA_FALSE;
+#endif
 
    res = WaitForSingleObject(*mutex, INFINITE);
    if ((res == WAIT_ABANDONED) || (res == WAIT_FAILED))
@@ -64,7 +66,9 @@ eina_lock_take_try(Eina_Lock *mutex)
 static inline Eina_Bool
 eina_lock_release(Eina_Lock *mutex)
 {
+#ifdef EINA_HAVE_ON_OFF_THREADS
    if (!_eina_threads_activated) return EINA_FALSE;
+#endif
 
    return ReleaseMutex(*mutex);
 }