1 files changed, 0 insertions, 16 deletions
diff --git a/components/libc/posix/src/SConscript b/components/libc/posix/src/SConscript
index 4be5ac83cc..87be6b6a06 100644
--- a/components/libc/posix/src/SConscript
+++ b/components/libc/posix/src/SConscript
@@ -10,26 +10,10 @@ group   = []
 flag = False
 src += ['unistd.c'] #TODO
 
-if GetDepend('RT_USING_POSIX_DEVIO'):
-    src += ['libc.c']
-    flag = True
-
 if GetDepend('RT_USING_POSIX_DELAY'):
     src += ['delay.c']
     flag = True
 
-if GetDepend('RT_USING_POSIX_POLL'):
-    src += ['poll.c']
-    flag = True
-
-if GetDepend('RT_USING_POSIX_SELECT'):
-    src += ['select.c']
-    flag = True
-
-if GetDepend('RT_USING_POSIX_MMAP'):
-    src += ['mmap.c']
-    flag = True
-
 if flag == True:
     group = DefineGroup('POSIX', src, depend = [], CPPPATH = CPPPATH)