diff --git a/src/gtk/system.cpp b/src/gtk/system.cpp
index 6160dd42..6c3c98d0 100644
--- a/src/gtk/system.cpp
+++ b/src/gtk/system.cpp
@@ -39,11 +39,6 @@ u16  systemGbPalette[24];
 int  emulating;
 int  RGB_LOW_BITS_MASK;
 
-// Extra vars, only used for the GUI
-//
-int systemRenderedFrames;
-int systemFPS;
-
 inline VBA::Window * GUI()
 {
   return VBA::Window::poGetInstance();
@@ -62,7 +57,6 @@ void systemMessage(int _iId, const char * _csFormat, ...)
 void systemDrawScreen()
 {
   GUI()->vDrawScreen();
-  systemRenderedFrames++;
 }
 
 bool systemReadJoypads()
@@ -77,9 +71,6 @@ u32 systemReadJoypad(int joy)
 
 void systemShowSpeed(int _iSpeed)
 {
-  systemFPS = systemRenderedFrames;
-  systemRenderedFrames = 0;
-
   GUI()->vShowSpeed(_iSpeed);
 }
 
diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 2fbe581d..fd60a2cf 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -43,8 +43,6 @@
 #include "screenarea-opengl.h"
 #endif // USE_OPENGL
 
-extern int systemRenderedFrames;
-extern int systemFPS;
 extern int RGB_LOW_BITS_MASK;
 
 
@@ -556,12 +554,11 @@ void Window::vInitSystem()
   systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
   systemFrameSkip = 2;
 
-  systemRenderedFrames = 0;
-  systemFPS = 0;
-
   emulating = 0;
 
   gbFrameSkip = 0;
+  
+  m_iFrameCount = 0;
 
   soundInit();
 }
@@ -1149,6 +1146,7 @@ void Window::vPopupErrorV(const char * _csFormat, va_list _args)
 void Window::vDrawScreen()
 {
   m_poScreenArea->vDrawPixels(pix);
+  m_iFrameCount++;
 }
 
 void Window::vDrawDefaultScreen()
@@ -1173,9 +1171,11 @@ void Window::vShowSpeed(int _iSpeed)
   else if (m_eShowSpeed == ShowDetailed)
   {
     snprintf(csTitle, 50, "VBA-M - %d%% (%d, %d fps)",
-             _iSpeed, systemFrameSkip, systemFPS);
+             _iSpeed, systemFrameSkip, m_iFrameCount);
     set_title(csTitle);
   }
+  
+  m_iFrameCount = 0;
 }
 
 void Window::vComputeFrameskip(int _iRate)
diff --git a/src/gtk/window.h b/src/gtk/window.h
index cf9a3f65..7e6fd05a 100644
--- a/src/gtk/window.h
+++ b/src/gtk/window.h
@@ -245,6 +245,7 @@ private:
   int m_bFullscreen;
   int m_iScreenWidth;
   int m_iScreenHeight;
+  int m_iFrameCount;
 
   std::string    m_sRomFile;
   ECartridge     m_eCartridge;