diff --git a/modules/rostests/rosautotest/CMakeLists.txt b/modules/rostests/rosautotest/CMakeLists.txt
index f6b29583f6d..21f0cdd5e23 100644
--- a/modules/rostests/rosautotest/CMakeLists.txt
+++ b/modules/rostests/rosautotest/CMakeLists.txt
@@ -21,7 +21,6 @@ list(APPEND SOURCE
     precomp.h)
 
 add_executable(rosautotest ${SOURCE} ${CMAKE_CURRENT_BINARY_DIR}/rosautotestmsg.rc)
-set_property(TARGET rosautotest PROPERTY CXX_STANDARD 11)
 set_module_type(rosautotest win32cui UNICODE)
 add_importlibs(rosautotest advapi32 shell32 user32 wininet msvcrt kernel32 ntdll)
 add_pch(rosautotest precomp.h SOURCE)
diff --git a/modules/rostests/rosautotest/CProcess.cpp b/modules/rostests/rosautotest/CProcess.cpp
index b7ca0603817..e462456564c 100644
--- a/modules/rostests/rosautotest/CProcess.cpp
+++ b/modules/rostests/rosautotest/CProcess.cpp
@@ -18,11 +18,11 @@
  */
 CProcess::CProcess(const wstring& CommandLine, LPSTARTUPINFOW StartupInfo)
 {
-    unique_ptr<WCHAR[]> CommandLinePtr(new WCHAR[CommandLine.size() + 1]);
+    auto_array_ptr<WCHAR> CommandLinePtr(new WCHAR[CommandLine.size() + 1]);
 
-    wcscpy(CommandLinePtr.get(), CommandLine.c_str());
+    wcscpy(CommandLinePtr, CommandLine.c_str());
 
-    if(!CreateProcessW(NULL, CommandLinePtr.get(), NULL, NULL, TRUE, NORMAL_PRIORITY_CLASS, NULL, NULL, StartupInfo, &m_ProcessInfo))
+    if(!CreateProcessW(NULL, CommandLinePtr, NULL, NULL, TRUE, NORMAL_PRIORITY_CLASS, NULL, NULL, StartupInfo, &m_ProcessInfo))
         TESTEXCEPTION("CreateProcessW failed\n");
 }
 
diff --git a/modules/rostests/rosautotest/CWebService.cpp b/modules/rostests/rosautotest/CWebService.cpp
index 59d856a52d1..85ead6d9135 100644
--- a/modules/rostests/rosautotest/CWebService.cpp
+++ b/modules/rostests/rosautotest/CWebService.cpp
@@ -66,7 +66,7 @@ CWebService::DoRequest(const string& InputData)
 {
     const WCHAR szHeaders[] = L"Content-Type: application/x-www-form-urlencoded";
 
-    unique_ptr<char[]> Data;
+    auto_array_ptr<char> Data;
     DWORD DataLength;
 
     /* Post our test results to the web service */
@@ -76,9 +76,9 @@ CWebService::DoRequest(const string& InputData)
         FATAL("HttpOpenRequestW failed\n");
 
     Data.reset(new char[InputData.size() + 1]);
-    strcpy(Data.get(), InputData.c_str());
+    strcpy(Data, InputData.c_str());
 
-    if(!HttpSendRequestW(m_hHTTPRequest, szHeaders, lstrlenW(szHeaders), Data.get(), (DWORD)InputData.size()))
+    if(!HttpSendRequestW(m_hHTTPRequest, szHeaders, lstrlenW(szHeaders), Data, (DWORD)InputData.size()))
         FATAL("HttpSendRequestW failed\n");
 
     /* Get the response */
@@ -87,7 +87,7 @@ CWebService::DoRequest(const string& InputData)
 
     Data.reset(new char[DataLength + 1]);
 
-    if(!InternetReadFile(m_hHTTPRequest, Data.get(), DataLength, &DataLength))
+    if(!InternetReadFile(m_hHTTPRequest, Data, DataLength, &DataLength))
         FATAL("InternetReadFile failed\n");
 
     Data[DataLength] = 0;
@@ -104,7 +104,7 @@ CWebService::DoRequest(const string& InputData)
 void
 CWebService::Finish(const char* TestType)
 {
-    unique_ptr<char[]> Response;
+    auto_array_ptr<char> Response;
     string Data;
     stringstream ss;
 
@@ -120,9 +120,9 @@ CWebService::Finish(const char* TestType)
 
     Response.reset(DoRequest(Data));
 
-    if (strcmp(Response.get(), "OK"))
+    if (strcmp(Response, "OK"))
     {
-        ss << "When finishing the test run, the server responded:" << endl << Response.get() << endl;
+        ss << "When finishing the test run, the server responded:" << endl << Response << endl;
         SSEXCEPTION;
     }
 }
@@ -178,7 +178,7 @@ CWebService::GetTestID(const char* TestType)
 PCHAR
 CWebService::GetSuiteID(const char* TestType, CTestInfo* TestInfo)
 {
-    unique_ptr<char[]> SuiteID;
+    auto_array_ptr<char> SuiteID;
     string Data;
 
     Data = "action=getsuiteid";
@@ -193,11 +193,11 @@ CWebService::GetSuiteID(const char* TestType, CTestInfo* TestInfo)
     SuiteID.reset(DoRequest(Data));
 
     /* Verify that this is really a number */
-    if(!IsNumber(SuiteID.get()))
+    if(!IsNumber(SuiteID))
     {
         stringstream ss;
 
-        ss << "Expected Suite ID, but received:" << endl << SuiteID.get() << endl;
+        ss << "Expected Suite ID, but received:" << endl << SuiteID << endl;
         SSEXCEPTION;
     }
 
@@ -216,8 +216,8 @@ CWebService::GetSuiteID(const char* TestType, CTestInfo* TestInfo)
 void
 CWebService::Submit(const char* TestType, CTestInfo* TestInfo)
 {
-    unique_ptr<char[]> Response;
-    unique_ptr<char[]> SuiteID;
+    auto_array_ptr<char> Response;
+    auto_array_ptr<char> SuiteID;
     string Data;
     stringstream ss;
 
@@ -233,15 +233,15 @@ CWebService::Submit(const char* TestType, CTestInfo* TestInfo)
     Data += "&testid=";
     Data += m_TestID;
     Data += "&suiteid=";
-    Data += SuiteID.get();
+    Data += SuiteID;
     Data += "&log=";
     Data += EscapeString(TestInfo->Log);
 
     Response.reset(DoRequest(Data));
 
-    if (strcmp(Response.get(), "OK"))
+    if (strcmp(Response, "OK"))
     {
-        ss << "When submitting the result, the server responded:" << endl << Response.get() << endl;
+        ss << "When submitting the result, the server responded:" << endl << Response << endl;
         SSEXCEPTION;
     }
 }
diff --git a/modules/rostests/rosautotest/auto_array_ptr.h b/modules/rostests/rosautotest/auto_array_ptr.h
new file mode 100644
index 00000000000..f53c3b04552
--- /dev/null
+++ b/modules/rostests/rosautotest/auto_array_ptr.h
@@ -0,0 +1,64 @@
+/*
+ * PROJECT:     ReactOS Automatic Testing Utility
+ * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
+ * PURPOSE:     Template similar to std::auto_ptr for arrays
+ * COPYRIGHT:   Copyright 2009 Colin Finck (colin@reactos.org)
+ */
+
+template<typename Type>
+class auto_array_ptr
+{
+private:
+    Type* m_Ptr;
+
+public:
+    typedef Type element_type;
+
+    /* Construct an auto_array_ptr from a pointer */
+    explicit auto_array_ptr(Type* Ptr = 0) throw()
+        : m_Ptr(Ptr)
+    {
+    }
+
+    /* Construct an auto_array_ptr from an existing auto_array_ptr */
+    auto_array_ptr(auto_array_ptr<Type>& Right) throw()
+        : m_Ptr(Right.release())
+    {
+    }
+
+    /* Destruct the auto_array_ptr and remove the corresponding array from memory */
+    ~auto_array_ptr() throw()
+    {
+        delete[] m_Ptr;
+    }
+
+    /* Get the pointer address */
+    Type* get() const throw()
+    {
+        return m_Ptr;
+    }
+
+    /* Release the pointer */
+    Type* release() throw()
+    {
+        Type* Tmp = m_Ptr;
+        m_Ptr = 0;
+
+        return Tmp;
+    }
+
+    /* Reset to a new pointer */
+    void reset(Type* Ptr = 0) throw()
+    {
+        if(Ptr != m_Ptr)
+            delete[] m_Ptr;
+
+        m_Ptr = Ptr;
+    }
+
+    /* Simulate all the functionality of real arrays by casting the auto_array_ptr to Type* on demand */
+    operator Type*() const throw()
+    {
+        return m_Ptr;
+    }
+};
diff --git a/modules/rostests/rosautotest/precomp.h b/modules/rostests/rosautotest/precomp.h
index 0f46388a5e2..5e0f05b5794 100644
--- a/modules/rostests/rosautotest/precomp.h
+++ b/modules/rostests/rosautotest/precomp.h
@@ -33,7 +33,7 @@ using namespace std;
 #include <reactos/buildno.h>
 
 /* Class includes */
-// #include "auto_array_ptr.h"
+#include "auto_array_ptr.h"
 #include "CConfiguration.h"
 #include "CFatalException.h"
 #include "CInvalidParameterException.h"