diff --git a/mingw-w64-headers/include/windows.foundation.h b/mingw-w64-headers/include/windows.foundation.h
index 8be88e4..95aa62d 100644
--- a/mingw-w64-headers/include/windows.foundation.h
+++ b/mingw-w64-headers/include/windows.foundation.h
@@ -898,14 +898,6 @@ typedef interface __FIReference_1_TimeSpan __FIReference_1_TimeSpan;
 #endif /* __cplusplus */
 #endif
 
-#ifndef ____FIReference_1_boolean_FWD_DEFINED__
-#define ____FIReference_1_boolean_FWD_DEFINED__
-typedef interface __FIReference_1_boolean __FIReference_1_boolean;
-#ifdef __cplusplus
-#define __FIReference_1_boolean ABI::Windows::Foundation::IReference<boolean >
-#endif /* __cplusplus */
-#endif
-
 #ifndef ____FITypedEventHandler_2_IInspectable_IInspectable_FWD_DEFINED__
 #define ____FITypedEventHandler_2_IInspectable_IInspectable_FWD_DEFINED__
 typedef interface __FITypedEventHandler_2_IInspectable_IInspectable __FITypedEventHandler_2_IInspectable_IInspectable;
@@ -1798,14 +1790,6 @@ typedef interface __FIReference_1_TimeSpan __FIReference_1_TimeSpan;
 #endif /* __cplusplus */
 #endif
 
-#ifndef ____FIReference_1_boolean_FWD_DEFINED__
-#define ____FIReference_1_boolean_FWD_DEFINED__
-typedef interface __FIReference_1_boolean __FIReference_1_boolean;
-#ifdef __cplusplus
-#define __FIReference_1_boolean ABI::Windows::Foundation::IReference<boolean >
-#endif /* __cplusplus */
-#endif
-
 /*****************************************************************************
  * IAsyncActionCompletedHandler interface
  */
@@ -13624,128 +13608,6 @@ static inline HRESULT __FIReference_1_TimeSpan_get_Value(__FIReference_1_TimeSpa
 
 #endif  /* ____FIReference_1_TimeSpan_INTERFACE_DEFINED__ */
 
-/*****************************************************************************
- * IReference<boolean > interface
- */
-#ifndef ____FIReference_1_boolean_INTERFACE_DEFINED__
-#define ____FIReference_1_boolean_INTERFACE_DEFINED__
-
-DEFINE_GUID(IID___FIReference_1_boolean, 0x3c00fd60, 0x2950, 0x5939, 0xa2,0x1a, 0x2d,0x12,0xc5,0xa0,0x1b,0x8a);
-#if defined(__cplusplus) && !defined(CINTERFACE)
-} /* extern "C" */
-namespace ABI {
-    namespace Windows {
-        namespace Foundation {
-            template<>
-            MIDL_INTERFACE("3c00fd60-2950-5939-a21a-2d12c5a01b8a")
-            IReference<boolean > : IReference_impl<boolean >
-            {
-            };
-        }
-    }
-}
-extern "C" {
-#ifdef __CRT_UUID_DECL
-__CRT_UUID_DECL(__FIReference_1_boolean, 0x3c00fd60, 0x2950, 0x5939, 0xa2,0x1a, 0x2d,0x12,0xc5,0xa0,0x1b,0x8a)
-#endif
-#else
-typedef struct __FIReference_1_booleanVtbl {
-    BEGIN_INTERFACE
-
-    /*** IUnknown methods ***/
-    HRESULT (STDMETHODCALLTYPE *QueryInterface)(
-        __FIReference_1_boolean *This,
-        REFIID riid,
-        void **ppvObject);
-
-    ULONG (STDMETHODCALLTYPE *AddRef)(
-        __FIReference_1_boolean *This);
-
-    ULONG (STDMETHODCALLTYPE *Release)(
-        __FIReference_1_boolean *This);
-
-    /*** IInspectable methods ***/
-    HRESULT (STDMETHODCALLTYPE *GetIids)(
-        __FIReference_1_boolean *This,
-        ULONG *iidCount,
-        IID **iids);
-
-    HRESULT (STDMETHODCALLTYPE *GetRuntimeClassName)(
-        __FIReference_1_boolean *This,
-        HSTRING *className);
-
-    HRESULT (STDMETHODCALLTYPE *GetTrustLevel)(
-        __FIReference_1_boolean *This,
-        TrustLevel *trustLevel);
-
-    /*** IReference<boolean > methods ***/
-    HRESULT (STDMETHODCALLTYPE *get_Value)(
-        __FIReference_1_boolean *This,
-        boolean *value);
-
-    END_INTERFACE
-} __FIReference_1_booleanVtbl;
-
-interface __FIReference_1_boolean {
-    CONST_VTBL __FIReference_1_booleanVtbl* lpVtbl;
-};
-
-#ifdef COBJMACROS
-#ifndef WIDL_C_INLINE_WRAPPERS
-/*** IUnknown methods ***/
-#define __FIReference_1_boolean_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject)
-#define __FIReference_1_boolean_AddRef(This) (This)->lpVtbl->AddRef(This)
-#define __FIReference_1_boolean_Release(This) (This)->lpVtbl->Release(This)
-/*** IInspectable methods ***/
-#define __FIReference_1_boolean_GetIids(This,iidCount,iids) (This)->lpVtbl->GetIids(This,iidCount,iids)
-#define __FIReference_1_boolean_GetRuntimeClassName(This,className) (This)->lpVtbl->GetRuntimeClassName(This,className)
-#define __FIReference_1_boolean_GetTrustLevel(This,trustLevel) (This)->lpVtbl->GetTrustLevel(This,trustLevel)
-/*** IReference<boolean > methods ***/
-#define __FIReference_1_boolean_get_Value(This,value) (This)->lpVtbl->get_Value(This,value)
-#else
-/*** IUnknown methods ***/
-static inline HRESULT __FIReference_1_boolean_QueryInterface(__FIReference_1_boolean* This,REFIID riid,void **ppvObject) {
-    return This->lpVtbl->QueryInterface(This,riid,ppvObject);
-}
-static inline ULONG __FIReference_1_boolean_AddRef(__FIReference_1_boolean* This) {
-    return This->lpVtbl->AddRef(This);
-}
-static inline ULONG __FIReference_1_boolean_Release(__FIReference_1_boolean* This) {
-    return This->lpVtbl->Release(This);
-}
-/*** IInspectable methods ***/
-static inline HRESULT __FIReference_1_boolean_GetIids(__FIReference_1_boolean* This,ULONG *iidCount,IID **iids) {
-    return This->lpVtbl->GetIids(This,iidCount,iids);
-}
-static inline HRESULT __FIReference_1_boolean_GetRuntimeClassName(__FIReference_1_boolean* This,HSTRING *className) {
-    return This->lpVtbl->GetRuntimeClassName(This,className);
-}
-static inline HRESULT __FIReference_1_boolean_GetTrustLevel(__FIReference_1_boolean* This,TrustLevel *trustLevel) {
-    return This->lpVtbl->GetTrustLevel(This,trustLevel);
-}
-/*** IReference<boolean > methods ***/
-static inline HRESULT __FIReference_1_boolean_get_Value(__FIReference_1_boolean* This,boolean *value) {
-    return This->lpVtbl->get_Value(This,value);
-}
-#endif
-#ifdef WIDL_using_Windows_Foundation
-#define IID_IReference_boolean IID___FIReference_1_boolean
-#define IReference_booleanVtbl __FIReference_1_booleanVtbl
-#define IReference_boolean __FIReference_1_boolean
-#define IReference_boolean_QueryInterface __FIReference_1_boolean_QueryInterface
-#define IReference_boolean_AddRef __FIReference_1_boolean_AddRef
-#define IReference_boolean_Release __FIReference_1_boolean_Release
-#define IReference_boolean_GetIids __FIReference_1_boolean_GetIids
-#define IReference_boolean_GetRuntimeClassName __FIReference_1_boolean_GetRuntimeClassName
-#define IReference_boolean_GetTrustLevel __FIReference_1_boolean_GetTrustLevel
-#define IReference_boolean_get_Value __FIReference_1_boolean_get_Value
-#endif /* WIDL_using_Windows_Foundation */
-#endif
-
-#endif
-
-#endif  /* ____FIReference_1_boolean_INTERFACE_DEFINED__ */
-
 /*****************************************************************************
  * ITypedEventHandler<IInspectable*,IInspectable* > interface
  */
diff --git a/mingw-w64-headers/include/windows.foundation.idl b/mingw-w64-headers/include/windows.foundation.idl
index 88a9f57..7a64459 100644
--- a/mingw-w64-headers/include/windows.foundation.idl
+++ b/mingw-w64-headers/include/windows.foundation.idl
@@ -150,7 +150,6 @@ namespace Windows.Foundation {
         interface Windows.Foundation.IReference<Windows.Foundation.Rect>;
         interface Windows.Foundation.IReference<Windows.Foundation.Size>;
         interface Windows.Foundation.IReference<Windows.Foundation.TimeSpan>;
-        interface Windows.Foundation.IReference<boolean>;
         interface Windows.Foundation.TypedEventHandler<IInspectable *, IInspectable *>;
         interface Windows.Foundation.TypedEventHandler<Windows.Foundation.IMemoryBufferReference *, IInspectable *>;
     }
