diff --git a/bsp/beaglebone/rtconfig.py b/bsp/beaglebone/rtconfig.py
index 6cd0b71505..1897099422 100644
--- a/bsp/beaglebone/rtconfig.py
+++ b/bsp/beaglebone/rtconfig.py
@@ -6,22 +6,14 @@ CPU='am335x'
 CROSS_TOOL='gcc'
 
 if os.getenv('RTT_CC'):
-	CROSS_TOOL = os.getenv('RTT_CC')
+    CROSS_TOOL = os.getenv('RTT_CC')
 
 if  CROSS_TOOL == 'gcc':
     PLATFORM 	= 'gcc'
     EXEC_PATH 	= r'C:\Program Files (x86)\CodeSourcery\Sourcery_CodeBench_Lite_for_ARM_EABI\bin'
-elif CROSS_TOOL == 'keil':
-    PLATFORM 	= 'armcc'
-    EXEC_PATH 	= 'C:/Keil'
-elif CROSS_TOOL == 'iar':
-    print('================ERROR============================')
-    print('Not support IAR yet!')
-    print('=================================================')
-    exit(0)
 
 if os.getenv('RTT_EXEC_PATH'):
-	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
+    EXEC_PATH = os.getenv('RTT_EXEC_PATH')
 
 BUILD = 'debug'
 
@@ -56,48 +48,3 @@ if PLATFORM == 'gcc':
 
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' +\
                   SIZE + ' $TARGET \n'
-
-elif PLATFORM == 'armcc':
-    # toolchains
-    CC = 'armcc'
-    CXX = 'armcc'    
-    AS = 'armasm'
-    AR = 'armar'
-    LINK = 'armlink'
-    TARGET_EXT = 'axf'
-
-    DEVICE = ' --device DARMP'
-    CFLAGS = DEVICE + ' --apcs=interwork'
-    AFLAGS = DEVICE
-    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-beaglebone.map --scatter beaglebone_ram.sct'
-
-    CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
-    LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
-
-    EXEC_PATH += '/arm/bin40/'
-
-    if BUILD == 'debug':
-        CFLAGS += ' -g -O0'
-        AFLAGS += ' -g'
-    else:
-        CFLAGS += ' -O2'
-
-    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
-
-elif PLATFORM == 'iar':
-    # toolchains
-    CC = 'iccarm'
-    AS = 'iasmarm'
-    AR = 'iarchive'
-    LINK = 'ilinkarm'
-    TARGET_EXT = 'out'
-
-    DEVICE = ' --cpu DARMP'
-
-    CFLAGS = ''
-    AFLAGS = ''
-    LFLAGS = ' --config beaglebone_ram.icf'
-
-    EXEC_PATH += '/arm/bin/'
-    RT_USING_MINILIBC = False
-    POST_ACTION = ''