diff --git a/src/kernel/libroot/posix/glibc/libio/Jamfile b/src/kernel/libroot/posix/glibc/libio/Jamfile
index b8ee9fa531..854a26b577 100644
--- a/src/kernel/libroot/posix/glibc/libio/Jamfile
+++ b/src/kernel/libroot/posix/glibc/libio/Jamfile
@@ -7,8 +7,6 @@ SubDirHdrs $(OBOS_TOP) src kernel libroot posix glibc include ;
 SubDirHdrs $(OBOS_TOP) src kernel libroot posix glibc locale ;
 SubDirHdrs $(OBOS_TOP) src kernel libroot posix glibc ;
 
-SubDirCcFlags -imacrolibc-symbols.h ;
-
 # For now, all wide character functions are disabled,
 # obprintf() is also disabled, because we don't have
 # obstack functionality
diff --git a/src/kernel/libroot/posix/glibc/stdio-common/Jamfile b/src/kernel/libroot/posix/glibc/stdio-common/Jamfile
index d6cf2d0b3f..4eb415a7bc 100644
--- a/src/kernel/libroot/posix/glibc/stdio-common/Jamfile
+++ b/src/kernel/libroot/posix/glibc/stdio-common/Jamfile
@@ -7,8 +7,6 @@ SubDirHdrs $(OBOS_TOP) src kernel libroot posix glibc libio ;
 SubDirHdrs $(OBOS_TOP) src kernel libroot posix glibc locale ;
 SubDirHdrs $(OBOS_TOP) src kernel libroot posix glibc ;
 
-SubDirCcFlags -imacrolibc-symbols.h ;
-
 # ToDo: for now, all wide character functions are disabled
 
 KernelMergeObject posix_gnu_stdio.o : #_common.o :