diff --git a/hspec-discover.cabal b/hspec-discover.cabal
--- a/hspec-discover.cabal
+++ b/hspec-discover.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:             hspec-discover
-version:          2.7.10
+version:          2.8.0
 license:          MIT
 license-file:     LICENSE
 copyright:        (c) 2012-2021 Simon Hengel
diff --git a/src/Test/Hspec/Discover/Run.hs b/src/Test/Hspec/Discover/Run.hs
--- a/src/Test/Hspec/Discover/Run.hs
+++ b/src/Test/Hspec/Discover/Run.hs
@@ -36,8 +36,7 @@
   fromString = showString
 
 data Spec = Spec {
-  specFile :: FilePath
-, specModule :: String
+  specModule :: String
 } deriving (Eq, Show)
 
 run :: [String] -> IO ()
@@ -49,7 +48,9 @@
         hPutStrLn stderr err
         exitFailure
       Right conf -> do
-        when (configNested conf) (hPutStrLn stderr "hspec-discover: WARNING - The `--nested' option is deprecated and will be removed in a future release!")
+        when (configNested conf)             (hPutStrLn stderr "hspec-discover: WARNING - The `--nested' option is deprecated and will be removed in a future release!")
+        when (configNoMain conf)             (hPutStrLn stderr "hspec-discover: WARNING - The `--no-main' option is deprecated and will be removed in a future release!")
+        when (isJust $ configFormatter conf) (hPutStrLn stderr "hspec-discover: WARNING - The `--formatter' option is deprecated and will be removed in a future release!")
         specs <- findSpecs src
         writeFile dst (mkSpecModule src conf specs)
     _ -> do
@@ -59,6 +60,7 @@
 mkSpecModule :: FilePath -> Config -> [Spec] -> String
 mkSpecModule src conf nodes =
   ( "{-# LINE 1 " . shows src . " #-}\n"
+  . showString "{-# LANGUAGE NoImplicitPrelude #-}\n"
   . showString "{-# OPTIONS_GHC -fno-warn-warnings-deprecations #-}\n"
   . showString ("module " ++ moduleName src conf ++" where\n")
   . importList nodes
@@ -115,18 +117,18 @@
 
 -- | Convert a spec to code.
 formatSpec :: Spec -> ShowS
-formatSpec (Spec file name) = "postProcessSpec " . shows file . " (describe " . shows name . " " . showString name . "Spec.spec)"
+formatSpec (Spec name) = "describe " . shows name . " " . showString name . "Spec.spec"
 
 findSpecs :: FilePath -> IO [Spec]
 findSpecs src = do
   let (dir, file) = splitFileName src
-  mapMaybe (fileToSpec dir) . filter (/= file) <$> getFilesRecursive dir
+  mapMaybe fileToSpec . filter (/= file) <$> getFilesRecursive dir
 
-fileToSpec :: FilePath -> FilePath -> Maybe Spec
-fileToSpec dir file = case reverse $ splitDirectories file of
+fileToSpec :: FilePath -> Maybe Spec
+fileToSpec file = case reverse $ splitDirectories file of
   x:xs -> case stripSuffix "Spec.hs" x <|> stripSuffix "Spec.lhs" x of
     Just name | isValidModuleName name && all isValidModuleName xs ->
-      Just . Spec (dir </> file) $ (intercalate "." . reverse) (name : xs)
+      Just . Spec $ (intercalate "." . reverse) (name : xs)
     _ -> Nothing
   _ -> Nothing
   where
diff --git a/test/Test/Hspec/Discover/RunSpec.hs b/test/Test/Hspec/Discover/RunSpec.hs
--- a/test/Test/Hspec/Discover/RunSpec.hs
+++ b/test/Test/Hspec/Discover/RunSpec.hs
@@ -8,7 +8,7 @@
 import           Data.List (sort)
 
 import           Test.Hspec.Discover.Run hiding (Spec)
-import qualified Test.Hspec.Discover.Run
+import qualified Test.Hspec.Discover.Run as Run
 
 main :: IO ()
 main = hspec spec
@@ -28,6 +28,7 @@
       run ["test-data/nested-spec/Spec.hs", "", f]
       readFile f `shouldReturn` unlines [
           "{-# LINE 1 \"test-data/nested-spec/Spec.hs\" #-}"
+        , "{-# LANGUAGE NoImplicitPrelude #-}"
         , "{-# OPTIONS_GHC -fno-warn-warnings-deprecations #-}"
         , "module Main where"
         , "import qualified Foo.Bar.BazSpec"
@@ -38,9 +39,9 @@
         , "main = hspec spec"
         , "spec :: Spec"
         , "spec = " ++ unwords [
-               "postProcessSpec \"test-data/nested-spec/Foo/Bar/BazSpec.hs\" (describe \"Foo.Bar.Baz\" Foo.Bar.BazSpec.spec)"
-          , ">> postProcessSpec \"test-data/nested-spec/Foo/BarSpec.hs\" (describe \"Foo.Bar\" Foo.BarSpec.spec)"
-          , ">> postProcessSpec \"test-data/nested-spec/FooSpec.hs\" (describe \"Foo\" FooSpec.spec)"
+               "describe \"Foo.Bar.Baz\" Foo.Bar.BazSpec.spec"
+          , ">> describe \"Foo.Bar\" Foo.BarSpec.spec"
+          , ">> describe \"Foo\" FooSpec.spec"
           ]
         ]
 
@@ -48,6 +49,7 @@
       run ["test-data/empty-dir/Spec.hs", "", f]
       readFile f `shouldReturn` unlines [
           "{-# LINE 1 \"test-data/empty-dir/Spec.hs\" #-}"
+        , "{-# LANGUAGE NoImplicitPrelude #-}"
         , "{-# OPTIONS_GHC -fno-warn-warnings-deprecations #-}"
         , "module Main where"
         , "import Test.Hspec.Discover"
@@ -72,37 +74,35 @@
 
   describe "fileToSpec" $ do
     it "converts path to spec name" $ do
-      fileToSpec "" "FooSpec.hs" `shouldBe` Just (spec_ "FooSpec.hs" "Foo")
+      fileToSpec "FooSpec.hs" `shouldBe` Just (Run.Spec "Foo")
 
     it "rejects spec with empty name" $ do
-      fileToSpec "" "Spec.hs" `shouldBe` Nothing
+      fileToSpec "Spec.hs" `shouldBe` Nothing
 
     it "works for lhs files" $ do
-      fileToSpec "" "FooSpec.lhs" `shouldBe` Just (spec_ "FooSpec.lhs" "Foo")
+      fileToSpec "FooSpec.lhs" `shouldBe` Just (Run.Spec "Foo")
 
     it "returns Nothing for invalid spec name" $ do
-      fileToSpec "" "foo" `shouldBe` Nothing
+      fileToSpec "foo" `shouldBe` Nothing
 
     context "when spec does not have a valid module name" $ do
       it "returns Nothing" $ do
-        fileToSpec "" "flycheck_Spec.hs" `shouldBe` Nothing
+        fileToSpec "flycheck_Spec.hs" `shouldBe` Nothing
 
     context "when any component of a hierarchical module name is not valid"$ do
       it "returns Nothing" $ do
-        fileToSpec "" ("Valid" </> "invalid"  </>"MiddleNamesSpec.hs") `shouldBe` Nothing
+        fileToSpec ("Valid" </> "invalid"  </>"MiddleNamesSpec.hs") `shouldBe` Nothing
 
     context "when path has directory component" $ do
       it "converts path to spec name" $ do
-        let file = "Foo" </> "Bar" </> "BazSpec.hs"
-        fileToSpec "" file `shouldBe` Just (spec_ file "Foo.Bar.Baz")
+        fileToSpec ("Foo" </> "Bar" </> "BazSpec.hs") `shouldBe` Just (Run.Spec "Foo.Bar.Baz")
 
       it "rejects spec with empty name" $ do
-        fileToSpec "" ("Foo" </> "Bar" </> "Spec.hs") `shouldBe` Nothing
+        fileToSpec ("Foo" </> "Bar" </> "Spec.hs") `shouldBe` Nothing
 
   describe "findSpecs" $ do
     it "finds specs" $ do
-      let dir = "test-data/nested-spec"
-      findSpecs (dir </> "Spec.hs") `shouldReturn` [spec_ (dir </> "Foo/Bar/BazSpec.hs") "Foo.Bar.Baz", spec_ (dir </> "Foo/BarSpec.hs") "Foo.Bar", spec_ (dir </> "FooSpec.hs") "Foo"]
+      findSpecs ("test-data" </> "nested-spec" </> "Spec.hs") `shouldReturn` [Run.Spec "Foo.Bar.Baz", Run.Spec "Foo.Bar", Run.Spec "Foo"]
 
   describe "driverWithFormatter" $ do
     it "generates a test driver that uses a custom formatter" $ do
@@ -118,9 +118,7 @@
 
   describe "importList" $ do
     it "generates imports for a list of specs" $ do
-      importList [spec_ "FooSpec.hs" "Foo", spec_ "BarSpec.hs" "Bar"] "" `shouldBe` unlines [
+      importList [Run.Spec "Foo", Run.Spec "Bar"] "" `shouldBe` unlines [
           "import qualified FooSpec"
         , "import qualified BarSpec"
         ]
-  where
-    spec_ = Test.Hspec.Discover.Run.Spec
diff --git a/version.yaml b/version.yaml
--- a/version.yaml
+++ b/version.yaml
@@ -1,1 +1,1 @@
-&version 2.7.10
+&version 2.8.0