diff --git a/mk/validate-settings.mk b/mk/validate-settings.mk
index 351ea836b9a21b34a8a9a2d4038bda3380f23891..4b0e3a7f2852e8e0d9752612308e63232a4a220a 100644
--- a/mk/validate-settings.mk
+++ b/mk/validate-settings.mk
@@ -187,4 +187,3 @@ GhcBootLibHcOpts += -fno-warn-deprecated-flags
 # for details
 #
 GhcLibHcOpts += -fno-warn-tabs
-utils/hsc2hs_dist-install_EXTRA_HC_OPTS += -fno-warn-tabs
diff --git a/utils/hsc2hs b/utils/hsc2hs
index 10696fe17c9d2b4e3498684c6ffbd9f44eda53c4..546438f93f8eb11da6b9279374552cfd86499253 160000
--- a/utils/hsc2hs
+++ b/utils/hsc2hs
@@ -1 +1 @@
-Subproject commit 10696fe17c9d2b4e3498684c6ffbd9f44eda53c4
+Subproject commit 546438f93f8eb11da6b9279374552cfd86499253