diff --git a/src/backends/NetworkManagerArch.c b/src/backends/NetworkManagerArch.c
index 977b65bf7..e68cc8fea 100644
--- a/src/backends/NetworkManagerArch.c
+++ b/src/backends/NetworkManagerArch.c
@@ -54,8 +54,6 @@
 #include "interface_parser.h"
 #include "nm-utils.h"
 
-#define ARPING "/usr/sbin/arping"
-
 /*
  * nm_system_init
  *
diff --git a/src/backends/NetworkManagerDebian.c b/src/backends/NetworkManagerDebian.c
index e1eb329a8..f1b89f7f8 100644
--- a/src/backends/NetworkManagerDebian.c
+++ b/src/backends/NetworkManagerDebian.c
@@ -43,8 +43,6 @@
 #include "interface_parser.h"
 #include "nm-utils.h"
 
-#define ARPING "/usr/sbin/arping"
-
 /*
  * nm_system_init
  *