diff --git a/nptl/sysdeps/x86_64/Makefile b/nptl/sysdeps/x86_64/Makefile
index a18c1bc8f1..24990a2b7e 100644
--- a/nptl/sysdeps/x86_64/Makefile
+++ b/nptl/sysdeps/x86_64/Makefile
@@ -19,7 +19,3 @@
 ifeq ($(subdir),csu)
 gen-as-const-headers += tcb-offsets.sym
 endif
-
-ifeq ($(subdir),nptl)
-CFLAGS-tst-align.c += -malign-double
-endif