diff --git a/tests/all.sh b/tests/all.sh
index 6ffc7cc..752fd4c 100644
--- a/tests/all.sh
+++ b/tests/all.sh
@@ -148,7 +148,6 @@ function StartTimer() {
 
 function printElapsedTime() {
   local END_TIME
-  ELAPSED_TIME
 
   END_TIME=$(date +%s%N)
   ELAPSED_TIME=$(echo "($END_TIME - $START_TIME)/1000000" | bc)