diff --git a/babeld/kernel_zebra.c b/babeld/kernel_zebra.c
index 53da5f4..d556a60 100644
--- a/babeld/kernel_zebra.c
+++ b/babeld/kernel_zebra.c
@@ -105,7 +105,6 @@
              unsigned int newmetric)
 {
     int rc;
-    int added;
     int ipv4;
 
     /* Check that the protocol family is consistent. */