diff --git a/tools-webrtc/android/profiling/perf_setup.sh b/tools-webrtc/android/profiling/perf_setup.sh
index ae3de6c3f6..3cd5d1da26 100755
--- a/tools-webrtc/android/profiling/perf_setup.sh
+++ b/tools-webrtc/android/profiling/perf_setup.sh
@@ -198,7 +198,6 @@ function print_function_help() {
 
 function cleanup() {
   unset -f main
-  unset BUILD_DIR
 }
 
 # -----------------------------------------------------------------------------