diff --git a/tools/offline-sigrequest.sh b/tools/offline-sigrequest.sh
index 7706796ef..08a5c4c05 100755
--- a/tools/offline-sigrequest.sh
+++ b/tools/offline-sigrequest.sh
@@ -42,6 +42,7 @@ function oncesigned { # $1 <-- INPFILE ; $2 <--SIGFILE
     echo `file $2`
     exit 1
   fi
+  rm $SIGFILEBALL
 }
 
 HERE=`dirname $0`