diff --git a/bsp/stm32/stm32f767-fire-challenger/rtconfig.py b/bsp/stm32/stm32f767-fire-challenger/rtconfig.py
index 060abb2deb8c27cb27d06fe8ffa1015e04fefc46..11cbdba8c4ad3edf2f8d15535f623a2893f695e1 100644
--- a/bsp/stm32/stm32f767-fire-challenger/rtconfig.py
+++ b/bsp/stm32/stm32f767-fire-challenger/rtconfig.py
@@ -34,7 +34,6 @@ if PLATFORM == 'gcc':
     # toolchains
     PREFIX = 'arm-none-eabi-'
     CC = PREFIX + 'gcc'
-    CXX = PREFIX + 'g++'
     AS = PREFIX + 'gcc'
     AR = PREFIX + 'ar'
     CXX = PREFIX + 'g++'
@@ -43,7 +42,6 @@ if PLATFORM == 'gcc':
     SIZE = PREFIX + 'size'
     OBJDUMP = PREFIX + 'objdump'
     OBJCPY = PREFIX + 'objcopy'
-    STRIP = PREFIX + 'strip'
 
     DEVICE = ' -mcpu=cortex-m7 -mthumb -mfpu=fpv5-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
     CFLAGS = DEVICE + ' -std=c99 -Dgcc'
@@ -61,18 +59,9 @@ if PLATFORM == 'gcc':
 
     POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
 
-    # module setting 
-    CXXFLAGS = ' -Woverloaded-virtual -fno-exceptions -fno-rtti '
-    M_CFLAGS = CFLAGS + ' -mlong-calls -fPIC '
-    M_CXXFLAGS = CXXFLAGS + ' -mlong-calls -fPIC'
-    M_LFLAGS = DEVICE + CXXFLAGS + ' -Wl,--gc-sections,-z,max-page-size=0x4' +\
-                                    ' -shared -fPIC -nostartfiles -static-libgcc'
-    M_POST_ACTION = STRIP + ' -R .hash $TARGET\n' + SIZE + ' $TARGET \n'
-
 elif PLATFORM == 'armcc':
     # toolchains
     CC = 'armcc'
-    CXX = 'armcc'
     AS = 'armasm'
     AR = 'armar'
     LINK = 'armlink'
@@ -102,7 +91,6 @@ elif PLATFORM == 'armcc':
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
-    CXX = 'iccarm'
     AS = 'iasmarm'
     AR = 'iarchive'
     LINK = 'ilinkarm'
@@ -143,7 +131,5 @@ elif PLATFORM == 'iar':
     LFLAGS = ' --config "board/linker_scripts/link.icf"'
     LFLAGS += ' --entry __iar_program_start'
 
-    CXXFLAGS = CFLAGS
-
     EXEC_PATH = EXEC_PATH + '/arm/bin/'
     POST_ACTION = 'ielftool --bin $TARGET rtthread.bin'
\ No newline at end of file