diff --git a/bsp/zynq7000/rtconfig.py b/bsp/zynq7000/rtconfig.py
index 33e6442073..47c1fd7cb6 100644
--- a/bsp/zynq7000/rtconfig.py
+++ b/bsp/zynq7000/rtconfig.py
@@ -8,17 +8,9 @@ CROSS_TOOL='gcc'
 if os.getenv('RTT_CC'):
     CROSS_TOOL = os.getenv('RTT_CC')
 
-if  CROSS_TOOL == 'gcc':
-    PLATFORM 	= 'gcc'
-    EXEC_PATH 	= '/home/grissiom/'
-elif CROSS_TOOL == 'keil':
-    PLATFORM 	= 'armcc'
-    EXEC_PATH 	= 'C:/Keil'
-elif CROSS_TOOL == 'iar':
-    print('================ERROR============================')
-    print('Not support IAR yet!')
-    print('=================================================')
-    exit(0)
+# only support GNU GCC compiler
+PLATFORM 	= 'gcc'
+EXEC_PATH 	= '/opt/arm-none-eabi-gcc'
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
@@ -55,30 +47,3 @@ 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-zynq7000.map --scatter zynq7000.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'