diff --git a/unix/xserver/hw/vnc/Makefile.am b/unix/xserver/hw/vnc/Makefile.am
index ae2c82a..113ae61 100644
--- a/unix/xserver/hw/vnc/Makefile.am
+++ b/unix/xserver/hw/vnc/Makefile.am
@@ -47,7 +47,6 @@
 	-I$(top_srcdir)/hw/xfree86/common \
 	-I$(top_srcdir)/hw/xfree86/os-support \
 	-I$(top_srcdir)/hw/xfree86/os-support/bus \
-	-DXFree86Module -DXFree86LOADER -DIN_MODULE \
 	-I$(includedir)/pixman-1
 
 libvnc_la_LDFLAGS = -module -avoid-version