diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c
index 4ba001ea..a4ca7aa2 100644
--- a/libs/vkd3d-shader/d3dbc.c
+++ b/libs/vkd3d-shader/d3dbc.c
@@ -587,7 +587,7 @@ static void add_signature_mask(struct vkd3d_shader_sm1_parser *sm1, bool output,
 
     if (!(element = find_signature_element_by_register_index(signature, register_index)))
     {
-        vkd3d_shader_parser_error(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_UNDECLARED_SEMANTIC,
+        vkd3d_shader_parser_warning(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_UNDECLARED_SEMANTIC,
                 "%s register %u was used without being declared.", output ? "Output" : "Input", register_index);
         return;
     }
diff --git a/tests/hlsl_d3d12.c b/tests/hlsl_d3d12.c
index 272b8aca..28007e3a 100644
--- a/tests/hlsl_d3d12.c
+++ b/tests/hlsl_d3d12.c
@@ -1583,18 +1583,16 @@ static void test_disassemble_shader(void)
     ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr);
 
     hr = D3DDisassemble(vs_1_1, sizeof(vs_1_1), 0, NULL, &blob);
-    todo ok(hr == S_OK, "Got hr %#x.\n", hr);
-    if (SUCCEEDED(hr))
-        ID3D10Blob_Release(blob);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ID3D10Blob_Release(blob);
 
     hr = D3DDisassemble(vs_2_0, sizeof(vs_2_0), 0, NULL, &blob);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
     ID3D10Blob_Release(blob);
 
     hr = D3DDisassemble(vs_3_0, sizeof(vs_3_0), 0, NULL, &blob);
-    todo ok(hr == S_OK, "Got hr %#x.\n", hr);
-    if (SUCCEEDED(hr))
-        ID3D10Blob_Release(blob);
+    ok(hr == S_OK, "Got hr %#x.\n", hr);
+    ID3D10Blob_Release(blob);
 
     hr = D3DDisassemble(vs_4_0, sizeof(vs_4_0), 0, NULL, &blob);
     todo ok(hr == S_OK, "Got hr %#x.\n", hr);