diff --git a/hindent-all b/hindent-all
index 18e6d9e0887436def0017283f163162ec862bffb..f14f74417f97f1c89ab25c4663177feb430ef922 100755
--- a/hindent-all
+++ b/hindent-all
@@ -1,3 +1,3 @@
 #!/bin/bash -e
-stack install --no-test hindent
+#stack install --no-test hindent
 for f in `find -name '*.hs' -not -path '*.stack-work/*' | grep -xvf .hindent.ignore`; do `stack path --local-bin`/hindent $f || exit; done
diff --git a/lib/Data/Time/LocalTime/Internal/TimeZone.hs b/lib/Data/Time/LocalTime/Internal/TimeZone.hs
index e34d1feaf2163ecc265addfac3506fbf7d42da2e..2b6f55753070cd6c0c618fcc678b135ddc5756fe 100644
--- a/lib/Data/Time/LocalTime/Internal/TimeZone.hs
+++ b/lib/Data/Time/LocalTime/Internal/TimeZone.hs
@@ -18,7 +18,6 @@ module Data.Time.LocalTime.Internal.TimeZone
 
 import Control.DeepSeq
 import Data.Data
---import System.Time.Calendar.Format
 import Data.Time.Calendar.Private
 import Data.Time.Clock.Internal.UTCTime
 import Data.Time.Clock.POSIX