diff --git a/coreutils/tr.c b/coreutils/tr.c
index 96e2c2b5f..3e34e68fa 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -34,13 +34,6 @@
 #define bb_need_write_error
 #include "messages.c"
 
-#ifdef TRUE
-#undef TRUE
-#undef FALSE
-#define TRUE	1
-#define FALSE	0
-#endif
-
 #define ASCII		0377
 
 /* some glabals shared across this file */
diff --git a/tr.c b/tr.c
index 96e2c2b5f..3e34e68fa 100644
--- a/tr.c
+++ b/tr.c
@@ -34,13 +34,6 @@
 #define bb_need_write_error
 #include "messages.c"
 
-#ifdef TRUE
-#undef TRUE
-#undef FALSE
-#define TRUE	1
-#define FALSE	0
-#endif
-
 #define ASCII		0377
 
 /* some glabals shared across this file */