diff --git a/bin/oss-fuzz-build.sh b/bin/oss-fuzz-build.sh
index b0d3d6eb201a..e9972578ff93 100755
--- a/bin/oss-fuzz-build.sh
+++ b/bin/oss-fuzz-build.sh
@@ -20,6 +20,8 @@ export ASAN_OPTIONS="detect_leaks=0"
 
 make fuzzers
 
+rm -rf workdir
+
 #some minimal fonts required
 cp $SRC/libreoffice/extras/source/truetype/symbol/opens___.ttf instdir/share/fonts/truetype/Liberation* $OUT
 #minimal runtime requirements