diff --git a/src/libs/utils/winutils.cpp b/src/libs/utils/winutils.cpp
index f19bdfefbe4..b731d273bb0 100644
--- a/src/libs/utils/winutils.cpp
+++ b/src/libs/utils/winutils.cpp
@@ -173,6 +173,9 @@ QTCREATOR_UTILS_EXPORT QString normalizePathName(const QString &name)
     canonicalName = getLongPathName(canonicalName);
     if (canonicalName.isEmpty())
         return name;
+    // Upper case drive letter
+    if (canonicalName.size() > 2 && canonicalName.at(1) == QLatin1Char(':'))
+        canonicalName[0] = canonicalName.at(0).toUpper();
     return canonicalName;
 }
 
diff --git a/src/plugins/debugger/cdb/cdbengine.cpp b/src/plugins/debugger/cdb/cdbengine.cpp
index 81b448db911..f44cff77d01 100644
--- a/src/plugins/debugger/cdb/cdbengine.cpp
+++ b/src/plugins/debugger/cdb/cdbengine.cpp
@@ -2477,7 +2477,7 @@ CdbEngine::NormalizedSourceFileName CdbEngine::sourceMapNormalizeFileNameFromDeb
                                                   DebuggerToSource);
     // Up/lower case normalization according to Windows.
 #ifdef Q_OS_WIN
-    QString normalized = winNormalizeFileName(fileName);
+    QString normalized = Utils::normalizePathName(fileName);
 #else
     QString normalized = fileName;
 #endif
diff --git a/src/plugins/debugger/shared/dbgwinutils.cpp b/src/plugins/debugger/shared/dbgwinutils.cpp
index b18a700b89b..cd70411e5ba 100644
--- a/src/plugins/debugger/shared/dbgwinutils.cpp
+++ b/src/plugins/debugger/shared/dbgwinutils.cpp
@@ -200,53 +200,6 @@ static bool mapDeviceToDriveLetter(QString *s)
     return false;
 }
 
-// Determine normalized case of a Windows file name (camelcase.cpp -> CamelCase.cpp)
-// Restriction: File needs to exists and be non-empty and will be to be opened/mapped.
-// This is the MSDN-recommended way of doing that.
-
-QString winNormalizeFileName(const QString &f)
-{
-    HANDLE hFile = CreateFile((const wchar_t*)f.utf16(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
-    if(hFile == INVALID_HANDLE_VALUE)
-        return f;
-    // Get the file size. We need a non-empty file to map it.
-    DWORD dwFileSizeHi = 0;
-    DWORD dwFileSizeLo = GetFileSize(hFile, &dwFileSizeHi);
-    if (dwFileSizeLo == 0 && dwFileSizeHi == 0) {
-        CloseHandle(hFile);
-        return f;
-    }
-    // Create a file mapping object.
-    HANDLE hFileMap = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 1, NULL);
-    if (!hFileMap)  {
-        CloseHandle(hFile);
-        return f;
-    }
-
-    // Create a file mapping to get the file name.
-    void* pMem = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 1);
-    if (!pMem) {
-        CloseHandle(hFileMap);
-        CloseHandle(hFile);
-        return f;
-    }
-
-    QString rc;
-    WCHAR pszFilename[MAX_PATH];
-    pszFilename[0] = 0;
-    // Get a file name of the form "/Device/HarddiskVolume1/file.cpp"
-    if (GetMappedFileName (GetCurrentProcess(), pMem, pszFilename, MAX_PATH)) {
-        rc = QString::fromWCharArray(pszFilename);
-        if (!mapDeviceToDriveLetter(&rc))
-            rc.clear();
-    }
-
-    UnmapViewOfFile(pMem);
-    CloseHandle(hFileMap);
-    CloseHandle(hFile);
-    return rc.isEmpty() ? f : rc;
-}
-
 bool isWinProcessBeingDebugged(unsigned long pid)
 {
     HANDLE processHandle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
diff --git a/src/plugins/debugger/shared/dbgwinutils.h b/src/plugins/debugger/shared/dbgwinutils.h
index 02a6572829b..bc43f5cca21 100644
--- a/src/plugins/debugger/shared/dbgwinutils.h
+++ b/src/plugins/debugger/shared/dbgwinutils.h
@@ -53,14 +53,6 @@ bool winDebugBreakProcess(unsigned long  pid, QString *errorMessage);
 
 unsigned long winGetCurrentProcessId();
 
-/* Helper for (case-)normalizing file names:
- * Determine normalized case of a Windows file name (camelcase.cpp -> CamelCase.cpp)
- * as the debugger reports lower case file names.
- * Restriction: File needs to exist and be non-empty and will be to be opened/mapped.
- * The result should be cached as the function can be extensive. */
-
-QString winNormalizeFileName(const QString &f);
-
 bool isWinProcessBeingDebugged(unsigned long pid);
 
 // Special exception codes.