diff --git a/shakers.cabal b/shakers.cabal
--- a/shakers.cabal
+++ b/shakers.cabal
@@ -1,5 +1,5 @@
 name:                  shakers
-version:               0.0.33
+version:               0.0.34
 synopsis:              Shake helpers.
 description:           Primitive helpers for Shake files.
 homepage:              https://github.com/swift-nav/shakers
diff --git a/src/Development/Shakers.hs b/src/Development/Shakers.hs
--- a/src/Development/Shakers.hs
+++ b/src/Development/Shakers.hs
@@ -28,6 +28,7 @@
   , git_
   , schemaApply_
   , m4
+  , tar_
   , aws
   , rsync_
   , ssh
@@ -57,12 +58,10 @@
   ) where
 
 import BasicPrelude               as Exports hiding ((*>))
-import Control.DeepSeq
 import Data.Char
 import Development.Shake          as Exports
 import Development.Shake.FilePath
 import System.Directory
-import Text.Regex
 
 -- | Join strings with ":"
 --
@@ -521,25 +520,6 @@
   phony "publish" $ do
     need [ file ]
     stack_ dir [ "upload", dir, "--no-signature" ]
-
-  phony "publish-lower" $ do
-    need [file, metaFile "cabalVersion" ]
-    version <- dropWhile (not . isDigit) <$> gitVersion dir
-    yaml    <- fromMaybe "stack.yaml" <$> getEnv "STACK_YAML"
-    dist    <- stack dir [ "path", "--dist-dir" ]
-    stack_ dir [ "sdist", dir, "--pvp-bounds", "lower" ]
-    let pkg = dropExtension file
-        hkg = pkg <-> version
-    [sdist] <- getDirectoryFiles dist [ hkg <.> "tar.gz" ]
-    withTempDir $ \d -> do
-      tar_ dist [ "xzf", sdist, "-C", d ]
-      let e = d </> hkg
-          f = e </> file
-      contents <- readFile' f
-      let contents' = subRegex (mkRegex $ pkg <> " >=" <> version) contents pkg
-      contents' `deepseq` writeFile' f contents'
-      copyFile' yaml $ e </> yaml
-      stack_ e [ "upload", e, "--no-signature" ]
 
 -- | Database rules
 --