diff --git a/radio/src/gui/480x272/layout.h b/radio/src/gui/480x272/layout.h
index 22a1320e8..f212bb473 100644
--- a/radio/src/gui/480x272/layout.h
+++ b/radio/src/gui/480x272/layout.h
@@ -23,6 +23,7 @@
 
 #include <list>
 #include "widgets_container.h"
+#include "lcd.h"
 
 #define MAX_LAYOUT_ZONES               10
 #define MAX_LAYOUT_OPTIONS             10
@@ -86,7 +87,6 @@ class BaseLayoutFactory: public LayoutFactory
 
     virtual void drawThumb(uint16_t x, uint16_t y, uint32_t flags) const
     {
-      extern void lcdDrawBitmapPattern(int x, int y, const uint8_t * bitmap, uint32_t flags, int width=0, int offset=0);
       lcdDrawBitmapPattern(x, y, bitmap, flags);
     }
 
diff --git a/radio/src/gui/480x272/lcd.h b/radio/src/gui/480x272/lcd.h
index 5c54734bb..92442aa31 100644
--- a/radio/src/gui/480x272/lcd.h
+++ b/radio/src/gui/480x272/lcd.h
@@ -22,6 +22,7 @@
 #define _LCD_H_
 
 #include "bitmapbuffer.h"
+#include "opentx_types.h"
 
 #if LCD_W >= 480
   #define LCD_COLS                     40
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 707195a52..d673e06f8 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -26,6 +26,7 @@
 #include <stddef.h>
 #include <stdlib.h>
 #include "definitions.h"
+#include "opentx_types.h"
 
 #if defined(SIMU)
   #define SWITCH_SIMU(a, b)  (a)
@@ -349,15 +350,9 @@ void memswap(void * a, void * b, uint8_t size);
   #include "fifo.h"
   #include "io/io_arm.h"
   // This doesn't need protection on this processor
-  typedef uint32_t tmr10ms_t;
   extern volatile tmr10ms_t g_tmr10ms;
   #define get_tmr10ms() g_tmr10ms
-  typedef int32_t rotenc_t;
-  typedef int32_t getvalue_t;
-  typedef uint32_t mixsrc_t;
-  typedef int32_t swsrc_t;
 #else
-  typedef uint16_t tmr10ms_t;
   extern volatile tmr10ms_t g_tmr10ms;
   extern inline uint16_t get_tmr10ms()
   {
@@ -367,10 +362,6 @@ void memswap(void * a, void * b, uint8_t size);
     sei();
     return time ;
   }
-  typedef int8_t rotenc_t;
-  typedef int16_t getvalue_t;
-  typedef uint8_t mixsrc_t;
-  typedef int8_t swsrc_t;
 #endif
 
 #if defined(NAVIGATION_STICKS)
@@ -773,10 +764,8 @@ extern uint16_t s_timeCum16ThrP;
 
 #if defined(OVERRIDE_CHANNEL_FUNCTION)
 #if defined(CPUARM)
-  typedef int16_t safetych_t;
   #define OVERRIDE_CHANNEL_UNDEFINED -4096
 #else
-  typedef int8_t safetych_t;
   #define OVERRIDE_CHANNEL_UNDEFINED -128
 #endif
 extern safetych_t safetyCh[MAX_OUTPUT_CHANNELS];
@@ -1483,10 +1472,8 @@ enum BarThresholdIdx {
 };
 
 #if defined(CPUARM)
-  typedef uint16_t bar_threshold_t;
   #define FILL_THRESHOLD(idx, val) barsThresholds[idx] = (val)
 #else
-  typedef uint8_t bar_threshold_t;
   #define FILL_THRESHOLD(idx, val) barsThresholds[idx] = 128 + (val)
 #endif
 
diff --git a/radio/src/opentx_types.h b/radio/src/opentx_types.h
new file mode 100644
index 000000000..8e8184701
--- /dev/null
+++ b/radio/src/opentx_types.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _OTXTYPES_H_
+#define _OTXTYPES_H_
+
+#if defined(CPUARM)
+  typedef uint32_t tmr10ms_t;
+  typedef int32_t rotenc_t;
+  typedef int32_t getvalue_t;
+  typedef uint32_t mixsrc_t;
+  typedef int32_t swsrc_t;
+  typedef int16_t safetych_t;
+  typedef uint16_t bar_threshold_t;
+#else
+  typedef uint16_t tmr10ms_t;
+  typedef int8_t rotenc_t;
+  typedef int16_t getvalue_t;
+  typedef uint8_t mixsrc_t;
+  typedef int8_t swsrc_t;
+  typedef int8_t safetych_t;
+  typedef uint8_t bar_threshold_t;
+#endif
+
+#endif // _OTXTYPES_H_