diff --git a/Yesod/Form/Fields.hs b/Yesod/Form/Fields.hs
--- a/Yesod/Form/Fields.hs
+++ b/Yesod/Form/Fields.hs
@@ -75,11 +75,7 @@
 import qualified Blaze.ByteString.Builder.Html.Utf8 as B
 import Blaze.ByteString.Builder (writeByteString, toLazyByteString)
 import Blaze.ByteString.Builder.Internal.Write (fromWriteList)
-#if MIN_VERSION_persistent(2, 0, 0)
 import Database.Persist (PersistEntityBackend)
-#else
-import Database.Persist (PersistMonadBackend, PersistEntityBackend)
-#endif
 
 import Text.Blaze.Html.Renderer.String (renderHtml)
 import qualified Data.ByteString as S
@@ -559,21 +555,12 @@
 optionsEnum :: (MonadHandler m, Show a, Enum a, Bounded a) => m (OptionList a)
 optionsEnum = optionsPairs $ map (\x -> (pack $ show x, x)) [minBound..maxBound]
 
-#if MIN_VERSION_persistent(2, 0, 0)
 optionsPersist :: ( YesodPersist site, PersistEntity a
                   , PersistQuery (PersistEntityBackend a)
                   , PathPiece (Key a)
                   , RenderMessage site msg
                   , YesodPersistBackend site ~ PersistEntityBackend a
                   )
-#else
-optionsPersist :: ( YesodPersist site, PersistEntity a
-                  , PersistQuery (YesodPersistBackend site (HandlerT site IO))
-                  , PathPiece (Key a)
-                  , PersistEntityBackend a ~ PersistMonadBackend (YesodPersistBackend site (HandlerT site IO))
-                  , RenderMessage site msg
-                  )
-#endif
                => [Filter a]
                -> [SelectOpt a]
                -> (a -> msg)
@@ -591,7 +578,6 @@
 -- the entire @Entity@.
 --
 -- Since 1.3.2
-#if MIN_VERSION_persistent(2, 0, 0)
 optionsPersistKey
   :: (YesodPersist site
      , PersistEntity a
@@ -600,15 +586,6 @@
      , RenderMessage site msg
      , YesodPersistBackend site ~ PersistEntityBackend a
      )
-#else
-optionsPersistKey
-  :: (YesodPersist site
-     , PersistEntity a
-     , PersistQuery (YesodPersistBackend site (HandlerT site IO))
-     , PathPiece (Key a)
-     , RenderMessage site msg
-     , PersistEntityBackend a ~ PersistMonadBackend (YesodDB site))
-#endif
   => [Filter a]
   -> [SelectOpt a]
   -> (a -> msg)
diff --git a/yesod-form.cabal b/yesod-form.cabal
--- a/yesod-form.cabal
+++ b/yesod-form.cabal
@@ -1,5 +1,5 @@
 name:            yesod-form
-version:         1.3.16
+version:         1.4.0
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -18,14 +18,11 @@
 
 library
     build-depends:   base                  >= 4        && < 5
-                   , yesod-core            >= 1.2      && < 1.3
-                   , yesod-persistent      >= 1.2      && < 1.3
+                   , yesod-core            >= 1.4      && < 1.5
+                   , yesod-persistent      >= 1.4      && < 1.5
                    , time                  >= 1.1.4
-                   , hamlet                >= 1.1.8
-                   , shakespeare
-                   , shakespeare-css       >= 1.0
-                   , shakespeare-js        >= 1.0.2
-                   , persistent            >= 1.2      && < 2.1
+                   , shakespeare           >= 2.0
+                   , persistent
                    , template-haskell
                    , transformers          >= 0.2.2
                    , data-default