diff --git a/reftable/stack.c b/reftable/stack.c
index 7df28ab343..b2babe8e3d 100644
--- a/reftable/stack.c
+++ b/reftable/stack.c
@@ -1421,7 +1421,7 @@ static int stack_compact_range(struct reftable_stack *st,
 		struct lock_file *table_lock = &table_locks[i];
 		char *table_path = get_locked_file_path(table_lock);
 		unlink(table_path);
-		free(table_path);
+		reftable_free(table_path);
 	}
 
 done:
diff --git a/t/unit-tests/t-reftable-readwrite.c b/t/unit-tests/t-reftable-readwrite.c
index bfa069caff..27ce84445e 100644
--- a/t/unit-tests/t-reftable-readwrite.c
+++ b/t/unit-tests/t-reftable-readwrite.c
@@ -76,8 +76,8 @@ static void write_table(char ***names, struct strbuf *buf, int N,
 
 	t_reftable_write_to_buf(buf, refs, N, logs, N, &opts);
 
-	free(refs);
-	free(logs);
+	reftable_free(refs);
+	reftable_free(logs);
 }
 
 static void t_log_buffer_size(void)