4 files changed, 15 insertions, 1 deletions
diff --git a/t/helper/test-oid-array.c b/t/helper/test-oid-array.c
index b16cd0b11b..d1324d086a 100644
--- a/t/helper/test-oid-array.c
+++ b/t/helper/test-oid-array.c
@@ -35,5 +35,9 @@ int cmd__oid_array(int argc, const char **argv)
 		else
 			die("unknown command: %s", line.buf);
 	}
+
+	strbuf_release(&line);
+	oid_array_clear(&array);
+
 	return 0;
 }
diff --git a/t/helper/test-oidtree.c b/t/helper/test-oidtree.c
index 180ee28dd9..d48a409f4e 100644
--- a/t/helper/test-oidtree.c
+++ b/t/helper/test-oidtree.c
@@ -45,5 +45,8 @@ int cmd__oidtree(int argc, const char **argv)
 			die("unknown command: %s", line.buf);
 		}
 	}
+
+	strbuf_release(&line);
+
 	return 0;
 }
diff --git a/t/helper/test-parse-options.c b/t/helper/test-parse-options.c
index a282b6ff13..48d3cf6692 100644
--- a/t/helper/test-parse-options.c
+++ b/t/helper/test-parse-options.c
@@ -14,7 +14,6 @@ static int dry_run = 0, quiet = 0;
 static char *string = NULL;
 static char *file = NULL;
 static int ambiguous;
-static struct string_list list = STRING_LIST_INIT_NODUP;
 
 static struct {
 	int called;
@@ -107,6 +106,8 @@ int cmd__parse_options(int argc, const char **argv)
 		NULL
 	};
 	struct string_list expect = STRING_LIST_INIT_NODUP;
+	struct string_list list = STRING_LIST_INIT_NODUP;
+
 	struct option options[] = {
 		OPT_BOOL(0, "yes", &boolean, "get a boolean"),
 		OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"),
@@ -185,5 +186,9 @@ int cmd__parse_options(int argc, const char **argv)
 	for (i = 0; i < argc; i++)
 		show(&expect, &ret, "arg %02d: %s", i, argv[i]);
 
+	expect.strdup_strings = 1;
+	string_list_clear(&expect, 0);
+	string_list_clear(&list, 0);
+
 	return ret;
 }
diff --git a/t/helper/test-prio-queue.c b/t/helper/test-prio-queue.c
index f4028442e3..133b5e6f4a 100644
--- a/t/helper/test-prio-queue.c
+++ b/t/helper/test-prio-queue.c
@@ -46,5 +46,7 @@ int cmd__prio_queue(int argc, const char **argv)
 		}
 	}
 
+	clear_prio_queue(&pq);
+
 	return 0;
 }