diff --git a/src/tests/units/codecs-test.r3 b/src/tests/units/codecs-test.r3
index 0f0257a395..1384959acb 100644
--- a/src/tests/units/codecs-test.r3
+++ b/src/tests/units/codecs-test.r3
@@ -330,6 +330,7 @@ if find codecs 'zip [
 				data/3 = %temp/temp.txt
 				data/4/2 = #{41686F6A21}
 			]
+			delete %temp.zip
 			delete-dir %temp/