diff --git a/semantic-diff.cabal b/semantic-diff.cabal
index 66e2e9266..0d99dfc5d 100644
--- a/semantic-diff.cabal
+++ b/semantic-diff.cabal
@@ -31,6 +31,7 @@ library
                      , Data.Record
                      , Data.Source
                      , Data.Span
+                     , Data.SplitDiff
                      , Data.Syntax
                      , Data.Syntax.Algebra
                      , Data.Syntax.Assignment
@@ -76,7 +77,6 @@ library
                      , Semantic.Util
                      , SemanticCmdLine
                      , SES
-                     , SplitDiff
                      , Syntax
                      , TreeSitter
   build-depends:       base >= 4.8 && < 5
diff --git a/src/Alignment.hs b/src/Alignment.hs
index 8164e85ae..9fd5d0b63 100644
--- a/src/Alignment.hs
+++ b/src/Alignment.hs
@@ -24,14 +24,14 @@ import Data.List (partition, sortBy)
 import Data.Maybe (catMaybes, fromJust, listToMaybe)
 import Data.Patch
 import Data.Range
+import Data.Record
 import Data.Semigroup ((<>))
 import Data.Source
-import Data.Record
+import Data.SplitDiff
 import Data.Term
 import Data.These
 import Info (byteRange, setByteRange)
 import Prelude hiding (fst, snd)
-import SplitDiff
 
 -- | Assign line numbers to the lines on each side of a list of rows.
 numberedRows :: [Join These a] -> [Join These (Int, a)]
diff --git a/src/SplitDiff.hs b/src/Data/SplitDiff.hs
similarity index 96%
rename from src/SplitDiff.hs
rename to src/Data/SplitDiff.hs
index 6f5dedbd5..1bcd6a249 100644
--- a/src/SplitDiff.hs
+++ b/src/Data/SplitDiff.hs
@@ -1,4 +1,4 @@
-module SplitDiff where
+module Data.SplitDiff where
 
 import Control.Monad.Free
 import Data.Record
diff --git a/src/Renderer/Patch.hs b/src/Renderer/Patch.hs
index 586d2a48b..855a2647d 100644
--- a/src/Renderer/Patch.hs
+++ b/src/Renderer/Patch.hs
@@ -22,9 +22,9 @@ import Data.Range
 import Data.Record
 import Data.Semigroup ((<>))
 import Data.Source
+import Data.SplitDiff
 import Data.These
 import Prelude hiding (fst, snd)
-import SplitDiff
 
 -- | Render a timed out file as a truncated diff.
 truncatePatch :: Both Blob -> ByteString
diff --git a/test/AlignmentSpec.hs b/test/AlignmentSpec.hs
index 03c6ef960..8343c3af3 100644
--- a/test/AlignmentSpec.hs
+++ b/test/AlignmentSpec.hs
@@ -18,10 +18,10 @@ import Data.Range
 import Data.Record
 import Data.Semigroup ((<>))
 import qualified Data.Source as Source
+import Data.SplitDiff
 import Data.Term
 import qualified Data.Text as Text
 import Data.These
-import SplitDiff
 import Syntax
 import Test.Hspec (Spec, describe, it, parallel)
 import Test.Hspec.Expectations.Pretty