diff --git a/src/Data/Blob.hs b/src/Data/Blob.hs
index 7a8e9e4ef..be7f21fc9 100644
--- a/src/Data/Blob.hs
+++ b/src/Data/Blob.hs
@@ -3,7 +3,6 @@ module Data.Blob
 , BlobKind(..)
 , These(..)
 , modeToDigits
-, defaultPlainBlob
 , nullBlob
 , sourceBlob
 , nullOid
@@ -59,7 +58,6 @@ data Blob = Blob
   { blobSource :: Source -- ^ The UTF-8 encoded source text of the blob.
   , blobOid :: ByteString -- ^ The Git object ID (SHA-1) of the blob.
   , blobPath :: FilePath -- ^ The file path to the blob.
-  , blobKind :: BlobKind -- ^ The kind of blob.
   , blobLanguage :: Maybe Language -- ^ The language of this blob. Nothing denotes a langauge we don't support yet.
   }
   deriving (Show, Eq)
@@ -73,15 +71,11 @@ modeToDigits (PlainBlob mode) = pack $ showOct mode ""
 modeToDigits (ExecutableBlob mode) = pack $ showOct mode ""
 modeToDigits (SymlinkBlob mode) = pack $ showOct mode ""
 
--- | The default plain blob mode
-defaultPlainBlob :: BlobKind
-defaultPlainBlob = PlainBlob 0o100644
-
 nullBlob :: Blob -> Bool
 nullBlob Blob{..} = blobOid == nullOid || nullSource blobSource
 
 sourceBlob :: FilePath -> Maybe Language -> Source -> Blob
-sourceBlob filepath language source = Blob source nullOid filepath defaultPlainBlob language
+sourceBlob filepath language source = Blob source nullOid filepath language
 
 nullOid :: ByteString
 nullOid = "0000000000000000000000000000000000000000"
diff --git a/test/Rendering/TOC/Spec.hs b/test/Rendering/TOC/Spec.hs
index aa704c7ef..0fcbef5d2 100644
--- a/test/Rendering/TOC/Spec.hs
+++ b/test/Rendering/TOC/Spec.hs
@@ -253,4 +253,4 @@ blankDiff = merge (arrayInfo, arrayInfo) (Indexed [ inserting (Term $ literalInf
     literalInfo = Nothing :. Range 1 2 :. StringLiteral :. sourceSpanBetween (1, 2) (1, 4) :. Nil
 
 blankDiffBlobs :: Both Blob
-blankDiffBlobs = both (Blob (fromText "[]") nullOid "a.js" defaultPlainBlob (Just TypeScript)) (Blob (fromText "[a]") nullOid "b.js" defaultPlainBlob (Just TypeScript))
+blankDiffBlobs = both (Blob (fromText "[]") nullOid "a.js" (Just TypeScript)) (Blob (fromText "[a]") nullOid "b.js" (Just TypeScript))
diff --git a/test/Semantic/Spec.hs b/test/Semantic/Spec.hs
index c417cc54f..6e10ff6b8 100644
--- a/test/Semantic/Spec.hs
+++ b/test/Semantic/Spec.hs
@@ -37,4 +37,4 @@ spec = parallel $ do
       result `shouldBe` (Diff (Patch (Delete (In () []))) :: Diff [] () ())
 
   where
-    methodsBlob = Blob "def foo\nend\n" "ff7bbbe9495f61d9e1e58c597502d152bab1761e" "methods.rb" defaultPlainBlob (Just Ruby)
+    methodsBlob = Blob "def foo\nend\n" "ff7bbbe9495f61d9e1e58c597502d152bab1761e" "methods.rb" (Just Ruby)