diff --git a/features/FEATURE_BLE/ble/Gap.h b/features/FEATURE_BLE/ble/Gap.h
index f8edd50e41..ef2b09dad6 100644
--- a/features/FEATURE_BLE/ble/Gap.h
+++ b/features/FEATURE_BLE/ble/Gap.h
@@ -2636,12 +2636,9 @@ protected:
 
 /* -------- deprecated template implementation -------- */
 
-#if defined(__GNUC__) && !defined(__CC_ARM)
+#if defined(__GNUC__)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#elif defined(__CC_ARM)
-#pragma push
-#pragma diag_suppress 1361
 #endif
 
 #if BLE_ROLE_OBSERVER
@@ -2687,10 +2684,8 @@ void LegacyGap<Impl>::onRadioNotification(T *tptr, void (T::*mptr)(bool))
     radioNotificationCallback.attach(tptr, mptr);
 }
 
-#if defined(__GNUC__) && !defined(__CC_ARM)
+#if defined(__GNUC__)
 #pragma GCC diagnostic pop
-#elif defined(__CC_ARM)
-#pragma pop
 #endif
 
 } // interface
diff --git a/features/FEATURE_BLE/ble/pal/Deprecated.h b/features/FEATURE_BLE/ble/pal/Deprecated.h
index 7af4795cef..5695c35748 100644
--- a/features/FEATURE_BLE/ble/pal/Deprecated.h
+++ b/features/FEATURE_BLE/ble/pal/Deprecated.h
@@ -19,14 +19,10 @@
 /**
  * Declare the beginning of a code block that uses a deprecated API
  */
-#if defined(__GNUC__) && !defined(__CC_ARM)
+#if defined(__GNUC__)
 #define BLE_DEPRECATED_API_USE_BEGIN() \
     _Pragma("GCC diagnostic push") \
     _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
-#elif defined(__CC_ARM)
-#define BLE_DEPRECATED_API_USE_BEGIN() \
-    _Pragma("push") \
-    _Pragma("diag_suppress 1361")
 #else
 #define BLE_DEPRECATED_API_USE_BEGIN()
 #endif
@@ -34,12 +30,9 @@
 /**
  * Declare the end of a code block that uses a deprecated API
  */
-#if defined(__GNUC__) && !defined(__CC_ARM)
+#if defined(__GNUC__)
 #define BLE_DEPRECATED_API_USE_END() \
     _Pragma("GCC diagnostic pop")
-#elif defined(__CC_ARM)
-#define BLE_DEPRECATED_API_USE_END() \
-        _Pragma("pop")
 #else
 #define BLE_DEPRECATED_API_USE_END()
 #endif
diff --git a/features/FEATURE_BLE/source/LegacyGap.tpp b/features/FEATURE_BLE/source/LegacyGap.tpp
index 4cfa213722..10f80820a9 100644
--- a/features/FEATURE_BLE/source/LegacyGap.tpp
+++ b/features/FEATURE_BLE/source/LegacyGap.tpp
@@ -267,12 +267,9 @@ ble_error_t LegacyGap<Impl>::initRadioNotification(void) {
 
 /* -------- deprecated template implementation -------- */
 
-#if defined(__GNUC__) && !defined(__CC_ARM)
+#if defined(__GNUC__)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#elif defined(__CC_ARM)
-#pragma push
-#pragma diag_suppress 1361
 #endif
 
 template<class Impl>
@@ -850,10 +847,8 @@ void LegacyGap<Impl>::processAdvertisementReport(
     onAdvertisementReport.call(&params);
 }
 
-#if defined(__GNUC__) && !defined(__CC_ARM)
+#if defined(__GNUC__)
 #pragma GCC diagnostic pop
-#elif defined(__CC_ARM)
-#pragma pop
 #endif
 
 #if BLE_ROLE_BROADCASTER
diff --git a/features/FEATURE_BLE/targets/TARGET_CORDIO/stack/wsf/include/util/print.h b/features/FEATURE_BLE/targets/TARGET_CORDIO/stack/wsf/include/util/print.h
index cf63ac6193..92c80db18d 100644
--- a/features/FEATURE_BLE/targets/TARGET_CORDIO/stack/wsf/include/util/print.h
+++ b/features/FEATURE_BLE/targets/TARGET_CORDIO/stack/wsf/include/util/print.h
@@ -35,7 +35,7 @@
 **************************************************************************************************/
 
 /*! \brief  Print function attributes. */
-#if defined(__GNUC__) || defined(__CC_ARM)
+#if defined(__GNUC__)
 #define PRINT_ATTRIBUTE(a, b) __attribute__((format(printf, a, b)))
 #else
 #define PRINT_ATTRIBUTE(a, b)
diff --git a/features/FEATURE_BLE/targets/TARGET_CORDIO/stack/wsf/include/wsf_types.h b/features/FEATURE_BLE/targets/TARGET_CORDIO/stack/wsf/include/wsf_types.h
index efc3988f94..29ef8e5351 100644
--- a/features/FEATURE_BLE/targets/TARGET_CORDIO/stack/wsf/include/wsf_types.h
+++ b/features/FEATURE_BLE/targets/TARGET_CORDIO/stack/wsf/include/wsf_types.h
@@ -59,7 +59,7 @@ extern "C" {
 #if (((defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) && \
       (!defined(__ICC8051__) || (__ICC8051__ == 0))) || \
       (defined(__clang__) || defined(_MSC_VER)) || \
-       defined(__CC_ARM) || defined(__IAR_SYSTEMS_ICC__) || defined(__ARMCC_VERSION))
+       defined(__IAR_SYSTEMS_ICC__) || defined(__ARMCC_VERSION))
 #include <stdint.h>
 #else
 /*! \brief Signed 8-bit value. */
diff --git a/features/FEATURE_BLE/targets/TARGET_CORDIO_LL/stack/thirdparty/uecc/uECC_ll.c b/features/FEATURE_BLE/targets/TARGET_CORDIO_LL/stack/thirdparty/uecc/uECC_ll.c
index 2d7a207e6b..abb8b20e0a 100644
--- a/features/FEATURE_BLE/targets/TARGET_CORDIO_LL/stack/thirdparty/uecc/uECC_ll.c
+++ b/features/FEATURE_BLE/targets/TARGET_CORDIO_LL/stack/thirdparty/uecc/uECC_ll.c
@@ -168,7 +168,7 @@ void uECC_set_rng_ll(uECC_RNG_Function rng_function) {
     g_rng_function = rng_function;
 }
 
-#if !defined(__CC_ARM) && !defined(__ARMCC_VERSION) && !defined(__ICCARM__) && defined(__GNUC__) /* Only support GCC inline asm for now */
+#if !defined(__ARMCC_VERSION) && !defined(__ICCARM__) && defined(__GNUC__) /* Only support GCC inline asm for now */
     #if (uECC_ASM && (uECC_PLATFORM == uECC_arm || uECC_PLATFORM == uECC_arm_thumb || \
                       uECC_PLATFORM == uECC_arm_thumb2))
         #include "asm_arm.inc"
diff --git a/features/FEATURE_BLE/targets/TARGET_CORDIO_LL/stack/thirdparty/uecc/uECC_ll.h b/features/FEATURE_BLE/targets/TARGET_CORDIO_LL/stack/thirdparty/uecc/uECC_ll.h
index 3b0133b14f..173bc12b68 100644
--- a/features/FEATURE_BLE/targets/TARGET_CORDIO_LL/stack/thirdparty/uecc/uECC_ll.h
+++ b/features/FEATURE_BLE/targets/TARGET_CORDIO_LL/stack/thirdparty/uecc/uECC_ll.h
@@ -29,7 +29,7 @@ uECC_asm_fast  - Use GCC inline assembly optimized for maximum speed. */
 #define uECC_asm_small 1
 #define uECC_asm_fast  2
 #ifndef uECC_ASM
-    #if !defined(__CC_ARM) && !defined(__ARMCC_VERSION) && !defined(__ICCARM__) && defined(__GNUC__) /* Only support GCC inline asm for now */
+    #if !defined(__ARMCC_VERSION) && !defined(__ICCARM__) && defined(__GNUC__) /* Only support GCC inline asm for now */
         #define uECC_ASM uECC_asm_fast
     #else // DG: ARMCC 5, unlike GCC, IAR and CLANG, doesn't support GNU-style inline assembly
         #define uECC_ASM uECC_asm_none
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/ble/common/ble_conn_state.c b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/ble/common/ble_conn_state.c
index a5f5461595..ca8d2e8f27 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/ble/common/ble_conn_state.c
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/ble/common/ble_conn_state.c
@@ -39,10 +39,7 @@
 #include "app_error.h"
 
 
-#if defined(__CC_ARM)
-  #pragma push
-  #pragma anon_unions
-#elif defined(__ICCARM__)
+#if defined(__ICCARM__)
   #pragma language=extended
 #elif defined(__GNUC__)
   /* anonymous unions are enabled by default */
@@ -80,9 +77,7 @@ typedef struct
 } ble_conn_state_t;
 
 
-#if defined(__CC_ARM)
-  #pragma pop
-#elif defined(__ICCARM__)
+#if defined(__ICCARM__)
   /* leave anonymous unions enabled */
 #elif defined(__GNUC__)
   /* anonymous unions are enabled by default */
@@ -411,4 +406,3 @@ sdk_mapped_flags_t ble_conn_state_user_flag_collection(ble_conn_state_user_flag_
         return 0;
     }
 }
-
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/ble/device_manager/device_manager_peripheral.c b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/ble/device_manager/device_manager_peripheral.c
index fe304c9d20..c718ec7e99 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/ble/device_manager/device_manager_peripheral.c
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/ble/device_manager/device_manager_peripheral.c
@@ -35,11 +35,7 @@
 #include "ble_hci.h"
 #include "app_error.h"
 
-#if defined ( __CC_ARM )
-    #ifndef __ALIGN
-        #define __ALIGN(x)      __align(x)                  /**< Forced aligment keyword for ARM Compiler */
-    #endif
-#elif defined ( __ICCARM__ )
+#if defined ( __ICCARM__ )
     #ifndef __ALIGN
         #define __ALIGN(x)                                  /**< Forced aligment keyword for IAR Compiler */
     #endif
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/device/compiler_abstraction.h b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/device/compiler_abstraction.h
index b10d8e39e6..35789c1caf 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/device/compiler_abstraction.h
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/device/compiler_abstraction.h
@@ -34,28 +34,7 @@
 
 /*lint ++flb "Enter library region" */
 
-#if defined ( __CC_ARM )
-    
-    #ifndef __ASM
-        #define __ASM               __asm                       
-    #endif
-    
-    #ifndef __INLINE
-        #define __INLINE            __inline                    
-    #endif
-    
-    #ifndef __WEAK
-        #define __WEAK              __weak                      
-    #endif
-    
-    #ifndef __ALIGN
-        #define __ALIGN(n)          __align(n)                  
-    #endif
-    
-    #define GET_SP()                __current_sp()              
-  
-#elif defined ( __ICCARM__ )
-    
+#if defined ( __ICCARM__ )
     #ifndef __ASM
         #define __ASM               __asm                       
     #endif
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/device/nrf51.h b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/device/nrf51.h
index 9e4f628ae2..88309b2fd8 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/device/nrf51.h
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/device/nrf51.h
@@ -109,10 +109,7 @@ typedef enum {
 
 
 /* -------------------  Start of section using anonymous unions  ------------------ */
-#if defined(__CC_ARM)
-  #pragma push
-  #pragma anon_unions
-#elif defined(__ICCARM__)
+#if defined(__ICCARM__)
   #pragma language=extended
 #elif defined(__GNUC__)
   /* anonymous unions are enabled by default */
@@ -1155,9 +1152,7 @@ typedef struct {                                    /*!< GPIO Structure
 
 
 /* --------------------  End of section using anonymous unions  ------------------- */
-#if defined(__CC_ARM)
-  #pragma pop
-#elif defined(__ICCARM__)
+#if defined(__ICCARM__)
   /* leave anonymous unions enabled */
 #elif defined(__GNUC__)
   /* anonymous unions are enabled by default */
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/drivers_nrf/delay/nrf_delay.h b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/drivers_nrf/delay/nrf_delay.h
index 85e2c3c8ba..bdca19220a 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/drivers_nrf/delay/nrf_delay.h
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/drivers_nrf/delay/nrf_delay.h
@@ -43,75 +43,8 @@
  * @param number_of_ms
  */
 /*lint --e{438, 522} "Variable not used" "Function lacks side-effects" */
-#if defined ( __CC_ARM   )
 
-static __ASM void __INLINE nrf_delay_us(uint32_t volatile number_of_us)
-{
-loop
-        SUBS    R0, R0, #1
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-#ifdef NRF52
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-        NOP
-#endif
-        BNE    loop
-        BX     LR
-}
-
-#elif defined ( __ICCARM__ )
+#if defined ( __ICCARM__ )
 
 static void __INLINE nrf_delay_us(uint32_t volatile number_of_us)
 {
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/libraries/bootloader_dfu/bootloader_util.c b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/libraries/bootloader_dfu/bootloader_util.c
index 7a2ac3e5a6..6f2677680c 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/libraries/bootloader_dfu/bootloader_util.c
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/libraries/bootloader_dfu/bootloader_util.c
@@ -49,42 +49,7 @@
  *
  * @note This function will never return but issue a reset into provided application.
  */
-#if defined ( __CC_ARM )
-__asm static void bootloader_util_reset(uint32_t start_addr)
-{
-    LDR   R5, [R0]              ; Get App initial MSP for bootloader.
-    MSR   MSP, R5               ; Set the main stack pointer to the applications MSP.
-    LDR   R0, [R0, #0x04]       ; Load Reset handler into R0. This will be first argument to branch instruction (BX).
-
-    MOVS  R4, #0xFF             ; Load ones to R4.
-    SXTB  R4, R4                ; Sign extend R4 to obtain 0xFFFFFFFF instead of 0xFF.
-    MRS   R5, IPSR              ; Load IPSR to R5 to check for handler or thread mode.
-    CMP   R5, #0x00             ; Compare, if 0 then we are in thread mode and can continue to reset handler of bootloader.
-    BNE   isr_abort             ; If not zero we need to exit current ISR and jump to reset handler of bootloader.
-
-    MOV   LR, R4                ; Clear the link register and set to ones to ensure no return, R4 = 0xFFFFFFFF.
-    BX    R0                    ; Branch to reset handler of bootloader.
-
-isr_abort
-                                ; R4 contains ones from line above. Will be popped as R12 when exiting ISR (Cleaning up the registers).
-    MOV   R5, R4                ; Fill with ones before jumping to reset handling. We be popped as LR when exiting ISR. Ensures no return to application.
-    MOV   R6, R0                ; Move address of reset handler to R6. Will be popped as PC when exiting ISR. Ensures the reset handler will be executed when exist ISR.
-    MOVS  r7, #0x21             ; Move MSB reset value of xPSR to R7. Will be popped as xPSR when exiting ISR. xPSR is 0x21000000 thus MSB is 0x21.
-    REV   r7, r7                ; Reverse byte order to put 0x21 as MSB.
-    PUSH  {r4-r7}               ; Push everything to new stack to allow interrupt handler to fetch it on exiting the ISR.
-
-    MOVS  R4, #0x00             ; Fill with zeros before jumping to reset handling. We be popped as R0 when exiting ISR (Cleaning up of the registers).
-    MOVS  R5, #0x00             ; Fill with zeros before jumping to reset handling. We be popped as R1 when exiting ISR (Cleaning up of the registers).
-    MOVS  R6, #0x00             ; Fill with zeros before jumping to reset handling. We be popped as R2 when exiting ISR (Cleaning up of the registers).
-    MOVS  R7, #0x00             ; Fill with zeros before jumping to reset handling. We be popped as R3 when exiting ISR (Cleaning up of the registers).
-    PUSH  {r4-r7}               ; Push zeros (R4-R7) to stack to prepare for exiting the interrupt routine.
-
-    MOVS  R0, #0xF9             ; Move the execution return command into register, 0xFFFFFFF9.
-    SXTB  R0, R0                ; Sign extend R0 to obtain 0xFFFFFFF9 instead of 0xF9.
-    BX    R0                    ; No return - Handler mode will be exited. Stack will be popped and execution will continue in reset handler initializing other application.
-    ALIGN
-}
-#elif defined ( __GNUC__ )
+#if defined ( __GNUC__ )
 static inline void bootloader_util_reset(uint32_t start_addr)
 {
     __asm volatile(
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/libraries/experimental_section_vars/section_vars.h b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/libraries/experimental_section_vars/section_vars.h
index b2d5c92a8f..5a3baf2bdf 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/libraries/experimental_section_vars/section_vars.h
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/libraries/experimental_section_vars/section_vars.h
@@ -59,12 +59,7 @@
  *
  * @param[in]   section_name    Name of the section to register
  **/
-#if defined __CC_ARM
-
-// Not required by this compiler
-#define NRF_SECTION_VARS_REGISTER_SECTION(section_name)
-
-#elif defined __GNUC__
+#if defined __GNUC__
 
 // Not required by this compiler
 #define NRF_SECTION_VARS_REGISTER_SECTION(section_name)
@@ -88,11 +83,7 @@
  *
  * @param[in]   section_name    Name of the section
  */
-#if defined __CC_ARM
-
-#define NRF_SECTION_VARS_START_SYMBOL(section_name)         section_name ## $$Base
-
-#elif defined __GNUC__
+#if defined __GNUC__
 
 #define NRF_SECTION_VARS_START_SYMBOL(section_name)         __start_ ## section_name
 
@@ -114,11 +105,7 @@
  *
  * @param[in]   section_name    Name of the section    
  */
-#if defined __CC_ARM
-
-#define NRF_SECTION_VARS_END_SYMBOL(section_name)           section_name ## $$Limit
-
-#elif defined __GNUC__
+#if defined __GNUC__
 
 #define NRF_SECTION_VARS_END_SYMBOL(section_name)           __stop_ ## section_name
 
@@ -138,12 +125,7 @@
  * @param[in]   section_name    Name of the section
  */
 
-#if defined __CC_ARM
-
-#define NRF_SECTION_VARS_LENGTH(section_name) \
-    ((uint32_t)&NRF_SECTION_VARS_END_SYMBOL(section_name) - (uint32_t)&NRF_SECTION_VARS_START_SYMBOL(section_name))
-
-#elif defined __GNUC__
+#if defined __GNUC__
 
  #define NRF_SECTION_VARS_LENGTH(section_name) \
     ((uint32_t)&NRF_SECTION_VARS_END_SYMBOL(section_name) - (uint32_t)&NRF_SECTION_VARS_START_SYMBOL(section_name))
@@ -164,16 +146,11 @@
  *
  * param[in]    section_name    Name of the section to get the start address from
  */
-#if defined __CC_ARM
+#if defined __GNUC__
 
 #define NRF_SECTION_VARS_START_ADDR(section_name)       (uint32_t)&NRF_SECTION_VARS_START_SYMBOL(section_name)
-      
-#elif defined __GNUC__
-      
-#define NRF_SECTION_VARS_START_ADDR(section_name)       (uint32_t)&NRF_SECTION_VARS_START_SYMBOL(section_name)
-      
+
 #elif defined __ICCARM__
-      
 #define NRF_SECTION_VARS_START_ADDR(section_name)       (uint32_t)iar_ ## section_name ## _start
 
 #else
@@ -187,14 +164,10 @@
  *
  * @param[in]   section_name    Name of the section to get end address from
  */
-#if defined __CC_ARM
+#if defined __GNUC__
 
 #define NRF_SECTION_VARS_END_ADDR(section_name)         (uint32_t)&NRF_SECTION_VARS_END_SYMBOL(section_name)
-      
-#elif defined __GNUC__
 
-#define NRF_SECTION_VARS_END_ADDR(section_name)         (uint32_t)&NRF_SECTION_VARS_END_SYMBOL(section_name)
-      
 #elif defined __ICCARM__
 
 #define NRF_SECTION_VARS_END_ADDR(section_name)         (uint32_t)iar_ ## section_name ## _end
@@ -213,13 +186,7 @@
  * @param[in]   type_name       Name of the type stored in the section
  * @param[in]   section_name    Name of the section
  */
-#if defined __CC_ARM
-
-#define NRF_SECTION_VARS_REGISTER_SYMBOLS(type_name, section_name)      \
-    extern type_name* NRF_SECTION_VARS_START_SYMBOL(section_name);      \
-    extern void* NRF_SECTION_VARS_END_SYMBOL(section_name)
-
-#elif defined __GNUC__
+#if defined __GNUC__
 
 #define NRF_SECTION_VARS_REGISTER_SYMBOLS(type_name, section_name)      \
     extern type_name* NRF_SECTION_VARS_START_SYMBOL(section_name);      \
@@ -253,12 +220,7 @@
  * @param[in]   section_name    Name of the section
  * @param[in]   type_def        Datatype of the symbol to place in the given section
  */
-#if defined __CC_ARM
-    
-#define NRF_SECTION_VARS_ADD(section_name, type_def) \
-    static type_def __attribute__((section( #section_name ))) __attribute__((used))
-
-#elif defined __GNUC__
+#if defined __GNUC__
 
 #define NRF_SECTION_VARS_ADD(section_name, type_def) \
     static type_def __attribute__ ((section( #section_name ))) __attribute__ ((used))
@@ -287,13 +249,8 @@
  * @param[in]   type_name       Type name of item in section
  * @param[in]   section_name    Name of the section
  */
-      
-#if defined __CC_ARM
 
-#define NRF_SECTION_VARS_GET(i, type_name, section_name) \
-    (type_name*)(NRF_SECTION_VARS_START_ADDR(section_name) + i * sizeof(type_name))
-      
-#elif defined __GNUC__
+#if defined __GNUC__
 
 #define NRF_SECTION_VARS_GET(i, type_name, section_name) \
     (type_name*)(NRF_SECTION_VARS_START_ADDR(section_name) + i * sizeof(type_name))
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/softdevice/s130/headers/nrf_svc.h b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/softdevice/s130/headers/nrf_svc.h
index 9311be90cc..aa00ef0bb4 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/softdevice/s130/headers/nrf_svc.h
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/sdk/source/softdevice/s130/headers/nrf_svc.h
@@ -38,9 +38,7 @@
 #else
 
 #ifndef SVCALL
-#if defined (__CC_ARM)
-#define SVCALL(number, return_type, signature) return_type __svc(number) signature
-#elif defined (__GNUC__)
+#if defined (__GNUC__)
 #define SVCALL(number, return_type, signature) \
   _Pragma("GCC diagnostic push") \
   _Pragma("GCC diagnostic ignored \"-Wreturn-type\"") \
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/source/common/binary.h b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/source/common/binary.h
index 585787eb2f..017c240d49 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/source/common/binary.h
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_MCU_NRF51822/source/common/binary.h
@@ -60,7 +60,7 @@
 /// test n-th bit of x
 #define BIT_TEST(x, n) ( (x) & BIT(n) )
 
-#if defined(__GNUC__) && !defined(__CC_ARM) // keil does not support binary format
+#if defined(__GNUC__) // keil does not support binary format
 
 #define BIN8(x)               ((uint8_t)  (0b##x))
 #define BIN16(b1, b2)         ((uint16_t) (0b##b1##b2))
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF51/source/common/binary.h b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF51/source/common/binary.h
index 585787eb2f..017c240d49 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF51/source/common/binary.h
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF51/source/common/binary.h
@@ -60,7 +60,7 @@
 /// test n-th bit of x
 #define BIT_TEST(x, n) ( (x) & BIT(n) )
 
-#if defined(__GNUC__) && !defined(__CC_ARM) // keil does not support binary format
+#if defined(__GNUC__) // keil does not support binary format
 
 #define BIN8(x)               ((uint8_t)  (0b##x))
 #define BIN16(b1, b2)         ((uint16_t) (0b##b1##b2))
diff --git a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF52/source/common/binary.h b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF52/source/common/binary.h
index 585787eb2f..017c240d49 100644
--- a/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF52/source/common/binary.h
+++ b/features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_SOFTDEVICE/TARGET_NRF52/source/common/binary.h
@@ -60,7 +60,7 @@
 /// test n-th bit of x
 #define BIT_TEST(x, n) ( (x) & BIT(n) )
 
-#if defined(__GNUC__) && !defined(__CC_ARM) // keil does not support binary format
+#if defined(__GNUC__) // keil does not support binary format
 
 #define BIN8(x)               ((uint8_t)  (0b##x))
 #define BIN16(b1, b2)         ((uint16_t) (0b##b1##b2))