diff --git a/uisimulator/Makefile b/uisimulator/Makefile
index 67057d8cdc..1b86de16b1 100644
--- a/uisimulator/Makefile
+++ b/uisimulator/Makefile
@@ -25,8 +25,8 @@ RM = rm
 CFLAGS = -g
 CPPFLAGS =  -DHAVE_CONFIG_H -DGETTIMEOFDAY_TWO_ARGS
 LDFLAGS = -lX11 -lm -lXt -lXmu -lnsl
-INCLUDES = -I/usr/X11R6/include
-LIBDIRS = -L/usr/X11R6/lib
+INCLUDES = 
+LIBDIRS = 
 DEPEND = .depends
 
 OBJS=   screenhack.o uibasic.o resources.o visual.o lcd.o lcd-x11.o