diff --git a/dlls/inseng/Makefile.in b/dlls/inseng/Makefile.in
index 652e06b0f25..797a0d2b46f 100644
--- a/dlls/inseng/Makefile.in
+++ b/dlls/inseng/Makefile.in
@@ -1,6 +1,8 @@
 MODULE    = inseng.dll
 IMPORTS   = uuid ole32 advapi32
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = inseng_main.c
 
 IDL_SRCS = inseng_classes.idl
diff --git a/dlls/inseng/inseng_main.c b/dlls/inseng/inseng_main.c
index 93649e20e94..631a9364e39 100644
--- a/dlls/inseng/inseng_main.c
+++ b/dlls/inseng/inseng_main.c
@@ -20,7 +20,6 @@
 
 #define COBJMACROS
 
-#include "config.h"
 
 #include <stdarg.h>