diff --git a/samples/multi_browser/dragdrop/drag_drop.cpp b/samples/multi_browser/dragdrop/drag_drop.cpp
index e317648e..f925d84d 100644
--- a/samples/multi_browser/dragdrop/drag_drop.cpp
+++ b/samples/multi_browser/dragdrop/drag_drop.cpp
@@ -1,6 +1,5 @@
 #include "drag_drop.h"
 #include <shlobj.h>
-#include <atlbase.h>
 #include <shlobj.h>
 #include <shlwapi.h>
 
@@ -327,7 +326,7 @@ STDMETHODIMP_(ULONG) SdkDropSource::Release( void)
 {
   long nTemp;
    nTemp = --m_cRefCount;
-   ATLASSERT(nTemp >= 0);
+   ASSERT(nTemp >= 0);
    if(nTemp==0)
       delete this;
    return nTemp;
diff --git a/tool_kits/shared/tool.cpp b/tool_kits/shared/tool.cpp
index 7668ac87..d2a99435 100644
--- a/tool_kits/shared/tool.cpp
+++ b/tool_kits/shared/tool.cpp
@@ -1,7 +1,6 @@
 #include "stdafx.h"
 #include "tool.h"
 
-#include <atlbase.h>
 #include <shlwapi.h>
 #include <shlobj.h>
 #include <io.h>