diff --git a/busybox.def.h b/busybox.def.h
index 75ad04d8d..afdc46971 100644
--- a/busybox.def.h
+++ b/busybox.def.h
@@ -39,7 +39,9 @@
 // Don't turn BB_INSMOD on.  It doesn't work.
 //#define BB_INSMOD
 #define BB_KILL
+#ifdef BB_KILL
 #define BB_KILLALL
+#endif
 #define BB_KLOGD
 //#define BB_LENGTH
 #define BB_LN
@@ -176,3 +178,4 @@
 //
 //Make sure nothing is printed to the console on boot
 #define BB_FEATURE_EXTRA_QUIET
+
diff --git a/utility.c b/utility.c
index 7de997474..789c6f228 100644
--- a/utility.c
+++ b/utility.c
@@ -1247,7 +1247,7 @@ extern int device_open(char *device, int mode)
 #endif							/* BB_INIT BB_SYSLOGD */
 
 
-#if defined BB_INIT || defined BB_HALT || defined BB_REBOOT
+#if defined BB_INIT || defined BB_HALT || defined BB_REBOOT || defined BB_KILLALL
 
 #ifdef BB_FEATURE_USE_DEVPS_N_DEVMTAB
 #include <linux/devps.h>
@@ -1353,7 +1353,7 @@ extern pid_t findPidByName( char* pidName)
 	return 0;
 }
 #endif							/* BB_FEATURE_USE_DEVPS_N_DEVMTAB */
-#endif							/* BB_INIT || BB_HALT || BB_REBOOT */
+#endif							/* BB_INIT || BB_HALT || BB_REBOOT || KILLALL */
 
 #if defined BB_GUNZIP \
  || defined BB_GZIP   \