diff --git a/configure/os/CONFIG.win32-x86-mingw.win32-x86-mingw b/configure/os/CONFIG.win32-x86-mingw.win32-x86-mingw
index bd840d99d..5bcc2e9ab 100644
--- a/configure/os/CONFIG.win32-x86-mingw.win32-x86-mingw
+++ b/configure/os/CONFIG.win32-x86-mingw.win32-x86-mingw
@@ -30,4 +30,3 @@ OPT_CFLAGS_NO = -O3 -g
 OPT_CXXFLAGS_NO = -O3 -g
 
 OP_SYS_LDLIBS = -lws2_32 
-PROD_SYS_LIBS = ws2_32