diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -108,10 +108,6 @@
 .if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 90100
 CWARNFLAGS.gcc+=	-Wno-address-of-packed-member
 .endif
-.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 70000 && \
-    ${MACHINE_CPUARCH} == "arm" && !${MACHINE_ARCH:Marmv[67]*}
-CWARNFLAGS.clang+=	-Wno-atomic-alignment
-.endif
 .endif # WARNS <= 3
 .if ${WARNS} <= 2
 CWARNFLAGS.clang+=	-Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter