diff --git a/src/libbitdht.pro b/src/libbitdht.pro
index e375c5b..c607fc5 100644
--- a/src/libbitdht.pro
+++ b/src/libbitdht.pro
@@ -78,7 +78,7 @@ win32 {
 		QMAKE_CC = $${QMAKE_CXX}
 		OBJECTS_DIR = temp/obj
 		MOC_DIR = temp/moc
-		DEFINES *= STATICLIB WIN32_LEAN_AND_MEAN _USE_32BIT_TIME_T
+        DEFINES *= STATICLIB WIN32_LEAN_AND_MEAN
 		# These have been replaced by _WIN32 && __MINGW32__
 		#DEFINES *= WINDOWS_SYS WIN32 STATICLIB MINGW