diff --git a/dlls/browseui/aclmulti.c b/dlls/browseui/aclmulti.c
index 95ede34ddcc..c7daba065ae 100644
--- a/dlls/browseui/aclmulti.c
+++ b/dlls/browseui/aclmulti.c
@@ -310,10 +310,10 @@ HRESULT ACLMulti_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
     if (pUnkOuter)
         return CLASS_E_NOAGGREGATION;
 
-    This = heap_alloc(sizeof(ACLMulti));
+    This = heap_alloc_zero(sizeof(ACLMulti));
     if (This == NULL)
         return E_OUTOFMEMORY;
-    ZeroMemory(This, sizeof(*This));
+
     This->vtbl = &ACLMultiVtbl;
     This->aclVtbl = &ACLMulti_ACListVtbl;
     This->objmgrVtbl = &ACLMulti_ObjMgrVtbl;
diff --git a/dlls/browseui/browseui.h b/dlls/browseui/browseui.h
index 0b620090f9c..28086470a48 100644
--- a/dlls/browseui/browseui.h
+++ b/dlls/browseui/browseui.h
@@ -35,6 +35,11 @@ static inline void *heap_alloc(size_t size)
     return HeapAlloc(GetProcessHeap(), 0, size);
 }
 
+static inline void *heap_alloc_zero(size_t size)
+{
+    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
+}
+
 static inline void *heap_realloc(void *mem, size_t size)
 {
     return mem ? HeapReAlloc(GetProcessHeap(), 0, mem, size) : heap_alloc(size);
diff --git a/dlls/browseui/browseui_main.c b/dlls/browseui/browseui_main.c
index c370408c025..dda6c3c8eae 100644
--- a/dlls/browseui/browseui_main.c
+++ b/dlls/browseui/browseui_main.c
@@ -64,24 +64,11 @@ typedef struct tagClassFactory
     LONG   ref;
     LPFNCONSTRUCTOR ctor;
 } ClassFactory;
-static const IClassFactoryVtbl ClassFactoryVtbl;
-
-static HRESULT ClassFactory_Constructor(LPFNCONSTRUCTOR ctor, LPVOID *ppvOut)
-{
-    ClassFactory *This = CoTaskMemAlloc(sizeof(ClassFactory));
-    This->vtbl = &ClassFactoryVtbl;
-    This->ref = 1;
-    This->ctor = ctor;
-    *ppvOut = (LPVOID)This;
-    TRACE("Created class factory %p\n", This);
-    BROWSEUI_refCount++;
-    return S_OK;
-}
 
 static void ClassFactory_Destructor(ClassFactory *This)
 {
     TRACE("Destroying class factory %p\n", This);
-    CoTaskMemFree(This);
+    heap_free(This);
     BROWSEUI_refCount--;
 }
 
@@ -154,6 +141,18 @@ static const IClassFactoryVtbl ClassFactoryVtbl = {
     ClassFactory_LockServer
 };
 
+static HRESULT ClassFactory_Constructor(LPFNCONSTRUCTOR ctor, LPVOID *ppvOut)
+{
+    ClassFactory *This = heap_alloc(sizeof(ClassFactory));
+    This->vtbl = &ClassFactoryVtbl;
+    This->ref = 1;
+    This->ctor = ctor;
+    *ppvOut = (LPVOID)This;
+    TRACE("Created class factory %p\n", This);
+    BROWSEUI_refCount++;
+    return S_OK;
+}
+
 /*************************************************************************
  * BROWSEUI DllMain
  */
diff --git a/dlls/browseui/compcatcachedaemon.c b/dlls/browseui/compcatcachedaemon.c
index f4fd5e64ebf..2cf15e476b7 100644
--- a/dlls/browseui/compcatcachedaemon.c
+++ b/dlls/browseui/compcatcachedaemon.c
@@ -49,33 +49,11 @@ typedef struct tagCCCD {
     CRITICAL_SECTION cs;
 } CompCatCacheDaemon;
 
-static const IRunnableTaskVtbl CompCatCacheDaemonVtbl;
-
-HRESULT CompCatCacheDaemon_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
-{
-    CompCatCacheDaemon *This;
-    if (pUnkOuter)
-        return CLASS_E_NOAGGREGATION;
-
-    This = CoTaskMemAlloc(sizeof(CompCatCacheDaemon));
-    if (This == NULL)
-        return E_OUTOFMEMORY;
-    ZeroMemory(This, sizeof(*This));
-    This->vtbl = &CompCatCacheDaemonVtbl;
-    This->refCount = 1;
-    InitializeCriticalSection(&This->cs);
-
-    TRACE("returning %p\n", This);
-    *ppOut = (IUnknown *)This;
-    BROWSEUI_refCount++;
-    return S_OK;
-}
-
 static void CompCatCacheDaemon_Destructor(CompCatCacheDaemon *This)
 {
     TRACE("destroying %p\n", This);
     DeleteCriticalSection(&This->cs);
-    CoTaskMemFree(This);
+    heap_free(This);
     BROWSEUI_refCount--;
 }
 
@@ -157,3 +135,23 @@ static const IRunnableTaskVtbl CompCatCacheDaemonVtbl =
     CompCatCacheDaemon_Resume,
     CompCatCacheDaemon_IsRunning
 };
+
+HRESULT CompCatCacheDaemon_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
+{
+    CompCatCacheDaemon *This;
+    if (pUnkOuter)
+        return CLASS_E_NOAGGREGATION;
+
+    This = heap_alloc(sizeof(CompCatCacheDaemon));
+    if (This == NULL)
+        return E_OUTOFMEMORY;
+
+    This->vtbl = &CompCatCacheDaemonVtbl;
+    This->refCount = 1;
+    InitializeCriticalSection(&This->cs);
+
+    TRACE("returning %p\n", This);
+    *ppOut = (IUnknown *)This;
+    BROWSEUI_refCount++;
+    return S_OK;
+}
diff --git a/dlls/browseui/progressdlg.c b/dlls/browseui/progressdlg.c
index a0444fd69b9..c5465a35190 100644
--- a/dlls/browseui/progressdlg.c
+++ b/dlls/browseui/progressdlg.c
@@ -74,8 +74,6 @@ typedef struct tagProgressDialog {
     HWND hwndDisabledParent;    /* For modal dialog: the parent that need to be re-enabled when the dialog ends */
 } ProgressDialog;
 
-static const IProgressDialogVtbl ProgressDialogVtbl;
-
 static void set_buffer(LPWSTR *buffer, LPCWSTR string)
 {
     static const WCHAR empty_string[] = {0};
@@ -246,37 +244,17 @@ static DWORD WINAPI dialog_thread(LPVOID lpParameter)
     return 0;
 }
 
-HRESULT ProgressDialog_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
-{
-    ProgressDialog *This;
-    if (pUnkOuter)
-        return CLASS_E_NOAGGREGATION;
-
-    This = CoTaskMemAlloc(sizeof(ProgressDialog));
-    if (This == NULL)
-        return E_OUTOFMEMORY;
-    ZeroMemory(This, sizeof(*This));
-    This->vtbl = &ProgressDialogVtbl;
-    This->refCount = 1;
-    InitializeCriticalSection(&This->cs);
-
-    TRACE("returning %p\n", This);
-    *ppOut = (IUnknown *)This;
-    BROWSEUI_refCount++;
-    return S_OK;
-}
-
-static void WINAPI ProgressDialog_Destructor(ProgressDialog *This)
+static void ProgressDialog_Destructor(ProgressDialog *This)
 {
     TRACE("destroying %p\n", This);
     if (This->hwnd)
         end_dialog(This);
-    CoTaskMemFree(This->lines[0]);
-    CoTaskMemFree(This->lines[1]);
-    CoTaskMemFree(This->lines[2]);
-    CoTaskMemFree(This->cancelMsg);
-    CoTaskMemFree(This->title);
-    CoTaskMemFree(This);
+    heap_free(This->lines[0]);
+    heap_free(This->lines[1]);
+    heap_free(This->lines[2]);
+    heap_free(This->cancelMsg);
+    heap_free(This->title);
+    heap_free(This);
     BROWSEUI_refCount--;
 }
 
@@ -504,3 +482,23 @@ static const IProgressDialogVtbl ProgressDialogVtbl =
     ProgressDialog_SetCancelMsg,
     ProgressDialog_Timer
 };
+
+HRESULT ProgressDialog_Constructor(IUnknown *pUnkOuter, IUnknown **ppOut)
+{
+    ProgressDialog *This;
+    if (pUnkOuter)
+        return CLASS_E_NOAGGREGATION;
+
+    This = heap_alloc_zero(sizeof(ProgressDialog));
+    if (This == NULL)
+        return E_OUTOFMEMORY;
+
+    This->vtbl = &ProgressDialogVtbl;
+    This->refCount = 1;
+    InitializeCriticalSection(&This->cs);
+
+    TRACE("returning %p\n", This);
+    *ppOut = (IUnknown *)This;
+    BROWSEUI_refCount++;
+    return S_OK;
+}