diff --git a/modules/libpr0n/decoders/icon/win/nsIconChannel.cpp b/modules/libpr0n/decoders/icon/win/nsIconChannel.cpp
index e403ffac611f..d6a72a851af3 100644
--- a/modules/libpr0n/decoders/icon/win/nsIconChannel.cpp
+++ b/modules/libpr0n/decoders/icon/win/nsIconChannel.cpp
@@ -259,6 +259,7 @@ NS_IMETHODIMP nsIconChannel::AsyncOpen(nsIStreamListener *aListener, nsISupports
   return rv;
 }
 
+#ifndef WINCE
 static DWORD GetSpecialFolderIcon(nsIFile* aFile, int aFolder, SHFILEINFOW* aSFI, UINT aInfoFlags)
 {
   DWORD shellResult = 0;
@@ -292,11 +293,13 @@ static DWORD GetSpecialFolderIcon(nsIFile* aFile, int aFolder, SHFILEINFOW* aSFI
   }
   return shellResult;
 }
+#endif
 
 static UINT GetSizeInfoFlag(PRUint32 aDesiredImageSize)
 {
   UINT infoFlag;
 #ifndef WINCE
+  // SHGFI_SHELLICONSIZE does not exist on windows mobile.
   if (aDesiredImageSize > 16)
     infoFlag = SHGFI_SHELLICONSIZE;
   else
@@ -308,6 +311,10 @@ static UINT GetSizeInfoFlag(PRUint32 aDesiredImageSize)
 
 nsresult nsIconChannel::GetHIconFromFile(HICON *hIcon)
 {
+#ifdef WINCE
+    // GetDIBits does not exist on windows mobile.
+  return NS_ERROR_NOT_AVAILABLE;
+#else
   nsXPIDLCString contentType;
   nsCString fileExt;
   nsCOMPtr<nsIFile> localFile; // file we want an icon for
@@ -383,6 +390,7 @@ nsresult nsIconChannel::GetHIconFromFile(HICON *hIcon)
     rv = NS_ERROR_NOT_AVAILABLE;
 
   return rv;
+#endif
 }
 
 #ifndef MOZ_DISABLE_VISTA_SDK_REQUIREMENTS
@@ -433,7 +441,10 @@ nsresult nsIconChannel::GetStockHIcon(nsIMozIconURI *aIconURI, HICON *hIcon)
 nsresult nsIconChannel::MakeInputStream(nsIInputStream** _retval, PRBool nonBlocking)
 {
   // Check whether the icon requested's a file icon or a stock icon
-  nsresult rv;
+  nsresult rv = NS_ERROR_NOT_AVAILABLE;
+
+  // GetDIBits does not exist on windows mobile.
+#ifndef WINCE
   HICON hIcon = NULL;
 
 #ifndef MOZ_DISABLE_VISTA_SDK_REQUIREMENTS
@@ -522,6 +533,7 @@ nsresult nsIconChannel::MakeInputStream(nsIInputStream** _retval, PRBool nonBloc
     DestroyIcon(hIcon);
   } // if we got an hIcon
 
+#endif
   return rv;
 }