diff --git a/semantic-core/semantic-core.cabal b/semantic-core/semantic-core.cabal
index e132f3901..ba80c082e 100644
--- a/semantic-core/semantic-core.cabal
+++ b/semantic-core/semantic-core.cabal
@@ -51,7 +51,6 @@ library
                      , semigroupoids               ^>= 5.3
                      , text                        ^>= 1.2.3.1
                      , transformers                ^>= 0.5.6
-                     , tree-sitter                  == 0.3.0.0
                      , trifecta                    ^>= 2
                      , unordered-containers        ^>= 0.2.10
   hs-source-dirs:      src
diff --git a/semantic-core/src/Data/Core.hs b/semantic-core/src/Data/Core.hs
index d124a1f7b..63c28c77a 100644
--- a/semantic-core/src/Data/Core.hs
+++ b/semantic-core/src/Data/Core.hs
@@ -230,7 +230,7 @@ annAt :: (Carrier sig m, Member Ann sig) => Loc -> m a -> m a
 annAt loc = send . Ann loc
 
 annWith :: (Carrier sig m, Member Ann sig) => CallStack -> m a -> m a
-annWith callStack = maybe id (fmap annAt) (stackLoc callStack)
+annWith callStack = maybe id annAt (stackLoc callStack)
 
 
 stripAnnotations :: (HFunctor sig, forall g . Functor g => Functor (sig g)) => Term (Ann :+: sig) a -> Term sig a
diff --git a/semantic-core/src/Data/Loc.hs b/semantic-core/src/Data/Loc.hs
index e6c2c24dd..7309da66e 100644
--- a/semantic-core/src/Data/Loc.hs
+++ b/semantic-core/src/Data/Loc.hs
@@ -1,9 +1,7 @@
-{-# LANGUAGE FlexibleInstances, GeneralizedNewtypeDeriving, MultiParamTypeClasses, OverloadedStrings, RecordWildCards,
-             TypeOperators, UndecidableInstances #-}
+{-# LANGUAGE FlexibleInstances, GeneralizedNewtypeDeriving, MultiParamTypeClasses, OverloadedStrings, RecordWildCards, TypeOperators, UndecidableInstances #-}
 module Data.Loc
 ( Loc(..)
 , interactive
-, fromTSSpan
 , Span(..)
 , emptySpan
 , Pos(..)
@@ -13,16 +11,15 @@ module Data.Loc
 , runFailWithLoc
 ) where
 
-import           Control.Applicative
-import           Control.Effect.Carrier
-import           Control.Effect.Error
-import           Control.Effect.Fail
-import           Control.Effect.Reader
-import           Data.Text (Text, pack)
-import           Data.Text.Prettyprint.Doc (Pretty (..))
-import           GHC.Stack
-import           Prelude hiding (fail)
-import qualified TreeSitter.Span as TreeSitter
+import Control.Applicative
+import Control.Effect.Carrier
+import Control.Effect.Error
+import Control.Effect.Fail
+import Control.Effect.Reader
+import Data.Text (Text, pack)
+import Data.Text.Prettyprint.Doc (Pretty (..))
+import GHC.Stack
+import Prelude hiding (fail)
 
 data Loc = Loc
   { locPath :: !Text
@@ -30,10 +27,6 @@ data Loc = Loc
   }
   deriving (Eq, Ord, Show)
 
-fromTSSpan :: TreeSitter.Span -> Loc
-fromTSSpan (TreeSitter.Span (TreeSitter.Pos a b) (TreeSitter.Pos c d))
-  = Loc mempty (Span (Pos a b) (Pos c d))
-
 interactive :: Loc
 interactive = Loc "<interactive>" emptySpan
 
diff --git a/semantic-python/src/Language/Python/Core.hs b/semantic-python/src/Language/Python/Core.hs
index f4266912d..df386fcd0 100644
--- a/semantic-python/src/Language/Python/Core.hs
+++ b/semantic-python/src/Language/Python/Core.hs
@@ -19,6 +19,7 @@ import           GHC.Records
 import qualified Data.Loc
 import qualified TreeSitter.Python.AST as Py
 import           TreeSitter.Span (Span)
+import qualified TreeSitter.Span as TreeSitter
 
 -- We don't want to commit to a particular representation of Core syntax,
 -- but there are commonalities that repeatedly crop up and that clog type
@@ -42,7 +43,10 @@ class Compile py where
   compileCC py cc = (>>>) <$> compile py <*> cc
 
 locate :: (HasField "ann" syntax Span, CoreSyntax sig t) => syntax -> t a -> t a
-locate syn = Core.annAt (Data.Loc.fromTSSpan (getField @"ann" syn))
+locate syn = Core.annAt (locFromTSSpan (getField @"ann" syn))
+  where
+    locFromTSSpan (TreeSitter.Span (TreeSitter.Pos a b) (TreeSitter.Pos c d))
+      = Data.Loc.Loc mempty (Data.Loc.Span (Data.Loc.Pos a b) (Data.Loc.Pos c d))
 
 -- | TODO: This is not right, it should be a reference to a Preluded
 -- NoneType instance, but it will do for now.