diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 12106ddb..81a870af 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -53,7 +53,6 @@ set(SOURCE_FILES
   linux/windows/dmusicc.cpp
   linux/windows/winnls.cpp
 
-  linux/data.cpp
   linux/benchmark.cpp
   linux/paddle.cpp
   linux/version.cpp
@@ -137,7 +136,6 @@ set(HEADER_FILES
   linux/windows/mmsystem.h
 
   linux/interface.h
-  linux/data.h
   linux/benchmark.h
   linux/paddle.h
   linux/version.h
diff --git a/source/frontends/common2/utils.cpp b/source/frontends/common2/utils.cpp
index a8c9e825..07da1823 100644
--- a/source/frontends/common2/utils.cpp
+++ b/source/frontends/common2/utils.cpp
@@ -1,6 +1,5 @@
 #include "frontends/common2/utils.h"
 
-#include "linux/data.h"
 #include "linux/interface.h"
 
 #include "StdAfx.h"
@@ -72,7 +71,6 @@ void initialiseEmulator()
 
   LoadConfiguration();
   SetCurrentCLK6502();
-  CheckCpu();
   GetAppleWindowTitle();
   GetFrame().FrameRefreshStatus(DRAW_LEDS | DRAW_BUTTON_DRIVES | DRAW_DISK_STATUS);
 
diff --git a/source/frontends/qt/qapple.cpp b/source/frontends/qt/qapple.cpp
index 21047028..bce30e3a 100644
--- a/source/frontends/qt/qapple.cpp
+++ b/source/frontends/qt/qapple.cpp
@@ -24,7 +24,6 @@
 #include "RGBMonitor.h"
 #include "Utilities.h"
 
-#include "linux/data.h"
 #include "linux/benchmark.h"
 #include "linux/version.h"
 #include "linux/paddle.h"
@@ -79,8 +78,6 @@ namespace
     {
         LoadConfiguration();
 
-        CheckCpu();
-
         // ResetDefaultMachineMemTypes();
 
         switch (options.slot0Card) {
diff --git a/source/linux/data.cpp b/source/linux/data.cpp
deleted file mode 100644
index 6ba24aa8..00000000
--- a/source/linux/data.cpp
+++ /dev/null
@@ -1,17 +0,0 @@
-#include "StdAfx.h"
-#include "Common.h"
-
-#include "Log.h"
-#include "CPU.h"
-#include "Core.h"
-
-void CheckCpu()
-{
-  const eApple2Type apple2Type = GetApple2Type();
-  const eCpuType defaultCpu = ProbeMainCpuDefault(apple2Type);
-  const eCpuType mainCpu = GetMainCpu();
-  if (mainCpu != defaultCpu)
-  {
-    LogFileOutput("Detected non standard CPU for Apple2 = %d: default = %d, actual = %d\n", apple2Type, defaultCpu, mainCpu);
-  }
-}
diff --git a/source/linux/data.h b/source/linux/data.h
deleted file mode 100644
index 386d1cfd..00000000
--- a/source/linux/data.h
+++ /dev/null
@@ -1,3 +0,0 @@
-#pragma once
-
-void CheckCpu();