diff --git a/Makefile.in b/Makefile.in
index c83570739..95c635327 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -76,11 +76,11 @@ ifdef PROFILING
     PROFILING_CFLAGS += -DXRAY_ANNOTATE
 endif
 
-CFLAGS_FOR_NEWLIB = -m64 -mtls-direct-seg-refs -O3 -ftree-vectorize $(ARCH_OPT) #$(STACKPROT)
-GOFLAGS_FOR_NEWLIB = -m64 -mtls-direct-seg-refs -O3 -ftree-vectorize $(ARCH_OPT)
-FCFLAGS_FOR_NEWLIB = -m64 -mtls-direct-seg-refs -O3 -ftree-vectorize $(ARCH_OPT)
-FFLAGS_FOR_NEWLIB = -m64 -mtls-direct-seg-refs -O3 -ftree-vectorize $(ARCH_OPT)
-CXXFLAGS_FOR_NEWLIB = -m64 -mtls-direct-seg-refs -O3 -ftree-vectorize $(ARCH_OPT)
+CFLAGS_FOR_NEWLIB = -m64 -O3 -ftree-vectorize $(ARCH_OPT) #$(STACKPROT)
+GOFLAGS_FOR_NEWLIB = -m64 -O3 -ftree-vectorize $(ARCH_OPT)
+FCFLAGS_FOR_NEWLIB = -m64 -O3 -ftree-vectorize $(ARCH_OPT)
+FFLAGS_FOR_NEWLIB = -m64 -O3 -ftree-vectorize $(ARCH_OPT)
+CXXFLAGS_FOR_NEWLIB = -m64 -O3 -ftree-vectorize $(ARCH_OPT)
 LDFLAGS_FOR_NEWLIB =
 NASMFLAGS_FOR_NEWLIB = -felf64
 CFLAGS_FOR_TOOLS = -O2 -Wall -std=gnu99