--- a/pppd/Makefile.linux
+++ b/pppd/Makefile.linux
@@ -91,7 +91,7 @@
 
 INCLUDE_DIRS= -I../include
 
-COMPILE_FLAGS= -DHAVE_PATHS_H -DIPX_CHANGE -DHAVE_MMAP -pipe
+COMPILE_FLAGS= -DHAVE_PATHS_H -DHAVE_MMAP -pipe
 
 CFLAGS= $(COPTS) $(COMPILE_FLAGS) $(INCLUDE_DIRS) '-DDESTDIR="@DESTDIR@"'