diff --git a/tests/integration/kubernetes/confidential_kbs.sh b/tests/integration/kubernetes/confidential_kbs.sh
index b16ad2cc7..4b7a08bc6 100644
--- a/tests/integration/kubernetes/confidential_kbs.sh
+++ b/tests/integration/kubernetes/confidential_kbs.sh
@@ -85,12 +85,13 @@ kbs_set_resource_base64() {
 	fi
 
 	file=$(mktemp -t kbs-resource-XXXXX)
+	trap "rm -f $file" EXIT
+
 	echo "$data" | base64 -d > "$file"
 
 	kbs_set_resource_from_file "$repository" "$type" "$tag" "$file" || \
 		rc=$?
 
-	rm -f "$file"
 	return $rc
 }
 
@@ -116,12 +117,12 @@ kbs_set_resource() {
 	fi
 
 	file=$(mktemp -t kbs-resource-XXXXX)
+	trap "rm -f $file" EXIT
 	echo "$data" > "$file"
 
 	kbs_set_resource_from_file "$repository" "$type" "$tag" "$file" || \
 		rc=$?
 
-	rm -f "$file"
 	return $rc
 }