diff --git a/src/string.cpp b/src/string.cpp
index 21cd8f0ced..fabf07e34e 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -18,10 +18,6 @@
 
 #include "table/control_codes.h"
 
-#ifdef _MSC_VER
-#	define strncasecmp strnicmp
-#endif
-
 #ifdef _WIN32
 #	include "os/windows/win32.h"
 #endif