diff --git a/cpu/lm4f120/include/cpu_conf.h b/cpu/lm4f120/include/cpu_conf.h
index 78eb1abd46..ca4f57653d 100644
--- a/cpu/lm4f120/include/cpu_conf.h
+++ b/cpu/lm4f120/include/cpu_conf.h
@@ -27,7 +27,6 @@
 #include "hw_nvic.h"
 #include "hw_sysctl.h"
 #include "hw_types.h"
-#include "lm4f120h5qr.h"
 #include "cortex-m4-def.h"
 #include "stellaris_periph/cpu.h"
 #include "stellaris_periph/debug.h"
@@ -43,6 +42,10 @@
 #include "hwtimer_cpu.h"
 #include "periph/uart.h"
 
+#ifdef CPU_MODEL_LM4F120H5QR
+#include "lm4f120h5qr.h"
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -64,16 +67,6 @@ extern "C" {
 #define CPUID_ADDR                      NVIC_CPUID
 /** @} */
 
-/**
- * @name CC110X buffer size definitions for the stm32f4
- * @{
- */
-#ifdef MODULE_CC110X
-#define TRANSCEIVER_BUFFER_SIZE         (10)
-#define RX_BUF_SIZE                     (10)
-#endif
-/** @} */
-
 /**
  * @name cpu functions
  * @{