diff --git a/Tools/scripts/run-coverage b/Tools/scripts/run-coverage
index f7200c2347..488194f583 100755
--- a/Tools/scripts/run-coverage
+++ b/Tools/scripts/run-coverage
@@ -18,6 +18,8 @@ TIMEOUT=14400
 
 OPTS="--speedup=$SPEEDUP --timeout=$TIMEOUT --debug --no-clean"
 
+rm -rf build
+
 # Run examples
 ./waf configure --board=linux --debug
 ./waf examples