diff --git a/include/Makefile.in b/include/Makefile.in
index 44c703d04c5..c4b08ccf310 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -89,7 +89,6 @@ WINDOWS_INCLUDES = \
 	imagehlp.h \
 	imm.h \
 	initguid.h \
-	instance.h \
 	ipexport.h \
 	iphlpapi.h \
 	ipifcons.h \