diff --git a/include/d3d12.idl b/include/d3d12.idl
index ad52fd4f..4be51be1 100644
--- a/include/d3d12.idl
+++ b/include/d3d12.idl
@@ -60,7 +60,7 @@ interface ID3D10Blob : IUnknown
 {
     void *GetBufferPointer();
     SIZE_T GetBufferSize();
-};
+}
 
 typedef ID3D10Blob ID3DBlob;
 
@@ -1568,18 +1568,18 @@ interface ID3D12Object : IUnknown
     HRESULT SetPrivateData(REFGUID guid, UINT data_size, const void *data);
     HRESULT SetPrivateDataInterface(REFGUID guid, const IUnknown *data);
     HRESULT SetName(const WCHAR *name);
-};
+}
 
 [uuid(905DB94B-A00C-4140-9DF5-2B64CA9EA357), object, local, pointer_default(unique)]
 interface ID3D12DeviceChild : ID3D12Object
 {
     HRESULT GetDevice(REFIID riid, void **device);
-};
+}
 
 [uuid(63EE58FB-1268-4835-86DA-F008CE62F0D6), object, local, pointer_default(unique)]
 interface ID3D12Pageable : ID3D12DeviceChild
 {
-};
+}
 
 [uuid(696442BE-A72E-4059-BC79-5B5C98040FAD), object, local, pointer_default(unique)]
 interface ID3D12Resource : ID3D12Pageable
@@ -1597,13 +1597,13 @@ interface ID3D12Resource : ID3D12Pageable
             UINT src_sub_resource, const D3D12_BOX *src_box);
 
     HRESULT GetHeapProperties(D3D12_HEAP_PROPERTIES *heap_properties, D3D12_HEAP_FLAGS *flags);
-};
+}
 
 [uuid(7116D91C-E7E4-47CE-B8C6-EC8168F437E5), object, local, pointer_default(unique)]
 interface ID3D12CommandList : ID3D12DeviceChild
 {
     D3D12_COMMAND_LIST_TYPE GetType();
-};
+}
 
 typedef enum D3D12_TILE_COPY_FLAGS
 {
@@ -1689,17 +1689,17 @@ interface ID3D12DescriptorHeap : ID3D12Pageable
 
     D3D12_CPU_DESCRIPTOR_HANDLE GetCPUDescriptorHandleForHeapStart();
     D3D12_GPU_DESCRIPTOR_HANDLE GetGPUDescriptorHandleForHeapStart();
-};
+}
 
 [uuid(0d9658ae-ed45-469e-a61d-970ec583cab4), object, local, pointer_default(unique)]
 interface ID3D12QueryHeap : ID3D12Pageable
 {
-};
+}
 
 [uuid(c36a797c-ec80-4f0a-8985-a7b2475082d1), object, local, pointer_default(unique)]
 interface ID3D12CommandSignature : ID3D12Pageable
 {
-};
+}
 
 [uuid(5B160D0F-AC1B-4185-8BA8-B3AE42A5A455), object, local, pointer_default(unique)]
 interface ID3D12GraphicsCommandList : ID3D12CommandList
@@ -1813,7 +1813,7 @@ interface ID3D12GraphicsCommandList : ID3D12CommandList
     void ExecuteIndirect(ID3D12CommandSignature *command_signature,
             UINT max_command_count, ID3D12Resource *arg_buffer, UINT64 arg_buffer_offset,
             ID3D12Resource *count_buffer, UINT64 count_buffer_offset);
-};
+}
 
 typedef enum D3D12_TILE_RANGE_FLAGS
 {
@@ -1862,7 +1862,7 @@ interface ID3D12CommandQueue : ID3D12Pageable
     HRESULT GetClockCalibration(UINT64 *gpu_timestamp, UINT64 *cpu_timestamp);
 
     D3D12_COMMAND_QUEUE_DESC GetDesc();
-};
+}
 
 typedef enum D3D12_FENCE_FLAGS
 {
@@ -1946,7 +1946,7 @@ interface ID3D12RootSignature : ID3D12DeviceChild
 interface ID3D12PipelineState : ID3D12Pageable
 {
     HRESULT GetCachedBlob(ID3DBlob **blob);
-};
+}
 
 [uuid(0A753DCF-C4D8-4B91-ADF6-BE5A60D95A76), object, local, pointer_default(unique)]
 interface ID3D12Fence : ID3D12Pageable
@@ -1954,13 +1954,13 @@ interface ID3D12Fence : ID3D12Pageable
     UINT64 GetCompletedValue();
     HRESULT SetEventOnCompletion(UINT64 value, HANDLE event);
     HRESULT Signal(UINT64 value);
-};
+}
 
 [uuid(6102DEE4-AF59-4B09-B999-B44D73F09B24), object, local, pointer_default(unique)]
 interface ID3D12CommandAllocator : ID3D12Pageable
 {
     HRESULT Reset();
-};
+}
 
 [uuid(189819F1-1DB6-4B57-BE54-1821339B85F7), object, local, pointer_default(unique)]
 interface ID3D12Device : ID3D12Object
@@ -2083,19 +2083,19 @@ interface ID3D12Device : ID3D12Object
             D3D12_SUBRESOURCE_TILING *sub_resource_tilings);
 
     LUID GetAdapterLuid();
-};
+}
 
 [uuid(344488B7-6846-474B-B989-F027448245E0), object, local, pointer_default(unique)]
 interface ID3D12Debug : IUnknown
 {
     void EnableDebugLayer();
-};
+}
 
 [uuid(34ab647b-3cc8-46ac-841b-c0965645c046), object, local, pointer_default(unique)]
 interface ID3D12RootSignatureDeserializer : IUnknown
 {
     const D3D12_ROOT_SIGNATURE_DESC *GetRootSignatureDesc();
-};
+}
 
 cpp_quote("HRESULT WINAPI D3D12CreateRootSignatureDeserializer(")
 cpp_quote("const void *data, SIZE_T data_size, REFIID riid, void **deserializer);")
diff --git a/include/dxgi.idl b/include/dxgi.idl
index 7545df1c..746e0008 100644
--- a/include/dxgi.idl
+++ b/include/dxgi.idl
@@ -66,7 +66,7 @@ interface IDXGIObject : IUnknown
     HRESULT GetPrivateDataInterface(REFGUID name, const IUnknown *unknown);
     HRESULT GetPrivateData(REFGUID name, UINT *data_size, void *data);
     HRESULT GetParent(REFIID riid, void **parent);
-};
+}
 
 [
     local,
@@ -77,7 +77,7 @@ interface IDXGIObject : IUnknown
 interface IDXGIDeviceSubObject : IDXGIObject
 {
     HRESULT GetDevice(REFIID riid, void **device);
-};
+}
 
 [
     local,
@@ -97,7 +97,7 @@ interface IDXGISwapChain : IDXGIDeviceSubObject
     HRESULT GetContainingOutput(IDXGIOutput **output);
     HRESULT GetFrameStatistics(DXGI_FRAME_STATISTICS *stats);
     HRESULT GetLastPresentCount(UINT *last_present_count);
-};
+}
 
 [
     local,
@@ -112,7 +112,7 @@ interface IDXGIFactory : IDXGIObject
     HRESULT GetWindowAssociation(HWND *hwnd);
     HRESULT CreateSwapChain(IUnknown *device, DXGI_SWAP_CHAIN_DESC *desc, IDXGISwapChain **swapchain);
     HRESULT CreateSoftwareAdapter(HMODULE hmodule, IDXGIAdapter **adapter);
-};
+}
 
 [
     local,
@@ -124,7 +124,7 @@ interface IDXGIFactory1 : IDXGIFactory
 {
     HRESULT EnumAdapters1(UINT adapter_idx, IDXGIAdapter1 **adpter);
     BOOL IsCurrent();
-};
+}
 
 [local] HRESULT __stdcall CreateDXGIFactory(REFIID riid, void **factory);
 [local] HRESULT __stdcall CreateDXGIFactory1(REFIID riid, void **factory);
diff --git a/include/dxgi1_2.idl b/include/dxgi1_2.idl
index cf048bd0..dbee9944 100644
--- a/include/dxgi1_2.idl
+++ b/include/dxgi1_2.idl
@@ -73,7 +73,7 @@ interface IDXGISwapChain1 : IDXGISwapChain
     HRESULT GetBackgroundColor(DXGI_RGBA *color);
     HRESULT SetRotation(DXGI_MODE_ROTATION rotation);
     HRESULT GetRotation(DXGI_MODE_ROTATION *rotation);
-};
+}
 
 [
     local,
@@ -97,4 +97,4 @@ interface IDXGIFactory2 : IDXGIFactory1
     void UnregisterOcclusionStatus(DWORD cookie);
     HRESULT CreateSwapChainForComposition(IUnknown *device, const DXGI_SWAP_CHAIN_DESC1 *desc,
             IDXGIOutput *output, IDXGISwapChain1 **swapchain);
-};
+}
diff --git a/include/dxgi1_3.idl b/include/dxgi1_3.idl
index 83f4c977..85a6e1ee 100644
--- a/include/dxgi1_3.idl
+++ b/include/dxgi1_3.idl
@@ -36,7 +36,7 @@ interface IDXGISwapChain2 : IDXGISwapChain1
     HANDLE  GetFrameLatencyWaitableObject();
     HRESULT SetMatrixTransform(const DXGI_MATRIX_3X2_F *matrix);
     HRESULT GetMatrixTransform(DXGI_MATRIX_3X2_F *matrix);
-};
+}
 
 [
     local,
@@ -47,4 +47,4 @@ interface IDXGISwapChain2 : IDXGISwapChain1
 interface IDXGIFactory3 : IDXGIFactory2
 {
     UINT GetCreationFlags();
-};
+}
diff --git a/include/dxgi1_4.idl b/include/dxgi1_4.idl
index 03acc3ed..908bd9bc 100644
--- a/include/dxgi1_4.idl
+++ b/include/dxgi1_4.idl
@@ -32,7 +32,7 @@ interface IDXGISwapChain3 : IDXGISwapChain2
     HRESULT SetColorSpace1(DXGI_COLOR_SPACE_TYPE type);
     HRESULT ResizeBuffers1(UINT buffer_count, UINT width, UINT height, DXGI_FORMAT format,
             UINT flags, const UINT *node_mask, IUnknown *const *present_queue);
-};
+}
 
 [
     local,
@@ -44,4 +44,4 @@ interface IDXGIFactory4 : IDXGIFactory3
 {
     HRESULT EnumAdapterByLuid(LUID luid, REFIID iid, void **adapter);
     HRESULT EnumWarpAdapter(REFIID iid, void **adapter);
-};
+}
diff --git a/include/unknown.idl b/include/unknown.idl
index 79790ecf..9a7198c8 100644
--- a/include/unknown.idl
+++ b/include/unknown.idl
@@ -50,6 +50,6 @@ interface IUnknown
     HRESULT QueryInterface(REFIID riid, void **object);
     ULONG AddRef();
     ULONG Release();
-};
+}
 
 cpp_quote("#endif   /* __VKD3D_UNKNOWN_H */")