diff --git a/tests/nghttp2_frame_test.c b/tests/nghttp2_frame_test.c
index 6eefe085..b64d217a 100644
--- a/tests/nghttp2_frame_test.c
+++ b/tests/nghttp2_frame_test.c
@@ -410,6 +410,8 @@ void test_nghttp2_nv_array_copy(void)
   rv = nghttp2_nv_array_copy(&nva, &bignv, 1);
   CU_ASSERT(1 == rv);
 
+  nghttp2_nv_array_del(nva);
+
   free(bignv.value);
 }
 
diff --git a/tests/nghttp2_hd_test.c b/tests/nghttp2_hd_test.c
index f2f35380..8a59742d 100644
--- a/tests/nghttp2_hd_test.c
+++ b/tests/nghttp2_hd_test.c
@@ -700,6 +700,8 @@ void test_nghttp2_hd_change_table_size(void)
   CU_ASSERT(1024 == inflater.ctx.hd_table_bufsize_max);
   CU_ASSERT(4096 == inflater.settings_hd_table_bufsize_max);
 
+  nva_out_reset(&out);
+
   free(buf);
   nghttp2_hd_inflate_free(&inflater);
   nghttp2_hd_deflate_free(&deflater);