diff --git a/package.yaml b/package.yaml
index 150f9c8..e0c065a 100644
--- a/package.yaml
+++ b/package.yaml
@@ -39,10 +39,9 @@ tests:
       - containers >= 0.5
       - hspec >= 2.4
       - hspec-golden-aeson >= 0.2
-      - lens >= 4.15
-      - lens-aeson >= 1.0
       - rollbar-hs
       - text >= 1.2
+      - unordered-containers >= 0.2
     main: Main.hs
     source-dirs: test
 version: '0.3.0.1'
diff --git a/test/Rollbar/Item/Data/Test.hs b/test/Rollbar/Item/Data/Test.hs
index 1fd0cf1..6404e2c 100644
--- a/test/Rollbar/Item/Data/Test.hs
+++ b/test/Rollbar/Item/Data/Test.hs
@@ -1,11 +1,9 @@
 {-# LANGUAGE DataKinds #-}
+{-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Rollbar.Item.Data.Test where
 
-import Control.Lens ((^@..))
-
-import Data.Aeson      (encode, toJSON)
-import Data.Aeson.Lens (key, members)
+import Data.Aeson      (Value(Null, Object), decode', encode, toJSON)
 import Data.Text       (Text)
 
 import Rollbar.Item
@@ -13,6 +11,8 @@ import Rollbar.QuickCheck ()
 
 import Test.QuickCheck (conjoin, quickCheck)
 
+import qualified Data.HashMap.Strict
+
 props :: IO ()
 props =
     quickCheck $ conjoin
@@ -24,13 +24,20 @@ prop_valueDataBodyHasRequiredKey :: Data () '["Authorization"] -> Bool
 prop_valueDataBodyHasRequiredKey x =
     length ms == 1 && fst (head ms) `elem` requiredBodyKeys
     where
-    ms = toJSON x ^@.. key "body" . members
+    ms = key "body" (toJSON x)
 
 prop_encodingDataBodyHasRequiredKey :: Data () '["Authorization"] -> Bool
 prop_encodingDataBodyHasRequiredKey x =
     length ms == 1 && fst (head ms) `elem` requiredBodyKeys
     where
-    ms = encode x ^@.. key "body" . members
+    ms = foldMap (key "body") (decode' $ encode x)
 
 requiredBodyKeys :: [Text]
 requiredBodyKeys = ["trace", "trace_chain", "message", "crash_report"]
+
+key :: Text -> Value -> [(Text, Value)]
+key k = \case
+  Object o -> case Data.HashMap.Strict.lookupDefault Null k o of
+    Object o -> Data.HashMap.Strict.toList o
+    _ -> mempty
+  _ -> mempty
diff --git a/test/Rollbar/Item/MissingHeaders/Test.hs b/test/Rollbar/Item/MissingHeaders/Test.hs
index 34f9c7e..606f939 100644
--- a/test/Rollbar/Item/MissingHeaders/Test.hs
+++ b/test/Rollbar/Item/MissingHeaders/Test.hs
@@ -1,14 +1,13 @@
 {-# LANGUAGE DataKinds #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TypeOperators #-}
 module Rollbar.Item.MissingHeaders.Test where
 
-import Control.Lens ((&), (^@..))
-
-import Data.Aeson      (encode, toJSON)
-import Data.Aeson.Lens (members)
+import Data.Aeson (Value(Object), decode', encode, toJSON)
+import Data.Text  (Text)
 
 import Prelude hiding (error)
 
@@ -19,6 +18,8 @@ import Test.QuickCheck (conjoin, quickCheck)
 
 import Data.Set as S
 
+import qualified Data.HashMap.Strict
+
 props :: IO ()
 props = do
     quickCheck $ conjoin
@@ -40,25 +41,25 @@ prop_valueAuthorizationIsRemoved :: MissingHeaders '["Authorization"] -> Bool
 prop_valueAuthorizationIsRemoved hs =
     "Authorization" `S.notMember` actual
     where
-    actual = toJSON hs ^@.. members & fmap fst & S.fromList
+    actual = S.fromList (keys $ toJSON hs)
 
 prop_encodingAuthorizationIsRemoved :: MissingHeaders '["Authorization"] -> Bool
 prop_encodingAuthorizationIsRemoved hs =
     "Authorization" `S.notMember` actual
     where
-    actual = encode hs ^@.. members & fmap fst & S.fromList
+    actual = S.fromList (foldMap keys $ decode' $ encode hs)
 
 prop_valueX_AccessTokenIsRemoved :: MissingHeaders '["X-AccessToken"] -> Bool
 prop_valueX_AccessTokenIsRemoved hs =
     "X-AccessToken" `S.notMember` actual
     where
-    actual = toJSON hs ^@.. members & fmap fst & S.fromList
+    actual = S.fromList (keys $ toJSON hs)
 
 prop_encodingX_AccessTokenIsRemoved :: MissingHeaders '["X-AccessToken"] -> Bool
 prop_encodingX_AccessTokenIsRemoved hs =
     "X-AccessToken" `S.notMember` actual
     where
-    actual = encode hs ^@.. members & fmap fst & S.fromList
+    actual = S.fromList (foldMap keys $ decode' $ encode hs)
 
 prop_valueAllHeadersAreRemoved
     :: MissingHeaders
@@ -70,7 +71,7 @@ prop_valueAllHeadersAreRemoved hs =
         && "Server" `S.notMember` actual
         && "X-AccessToken" `S.notMember` actual
     where
-    actual = toJSON hs ^@.. members & fmap fst & S.fromList
+    actual = S.fromList (keys $ toJSON hs)
 
 prop_encodingAllHeadersAreRemoved
     :: MissingHeaders
@@ -82,4 +83,9 @@ prop_encodingAllHeadersAreRemoved hs =
         && "Server" `S.notMember` actual
         && "X-AccessToken" `S.notMember` actual
     where
-    actual = encode hs ^@.. members & fmap fst & S.fromList
+    actual = S.fromList (foldMap keys $ decode' $ encode hs)
+
+keys :: Value -> [Text]
+keys = \case
+  Object o -> Data.HashMap.Strict.keys o
+  _ -> mempty
diff --git a/test/Rollbar/Item/Request/Test.hs b/test/Rollbar/Item/Request/Test.hs
index 0f4d612..6efb048 100644
--- a/test/Rollbar/Item/Request/Test.hs
+++ b/test/Rollbar/Item/Request/Test.hs
@@ -1,14 +1,13 @@
 {-# LANGUAGE DataKinds #-}
 {-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TypeOperators #-}
 module Rollbar.Item.Request.Test where
 
-import Control.Lens ((&), (^@..))
-
-import Data.Aeson           (encode, toJSON)
-import Data.Aeson.Lens      (members)
+import Data.Aeson           (Value(Object), decode', encode, toJSON)
 import Data.CaseInsensitive (original)
+import Data.Text            (Text)
 
 import Prelude hiding (error)
 
@@ -20,6 +19,8 @@ import Test.QuickCheck (conjoin, quickCheck)
 import Data.Set           as S
 import Data.Text.Encoding as TE
 
+import qualified Data.HashMap.Strict
+
 props :: IO ()
 props =
     quickCheck $ conjoin
@@ -31,12 +32,17 @@ prop_valueHeadersArentWrapped :: MissingHeaders '["Authorization"] -> Bool
 prop_valueHeadersArentWrapped hs@(MissingHeaders rhs) =
     actual `S.isSubsetOf` expected
     where
-    actual = toJSON hs ^@.. members & fmap fst & S.fromList
+    actual = S.fromList (keys $ toJSON hs)
     expected = S.fromList $ either (const "") id . TE.decodeUtf8' . original . fst <$> rhs
 
 prop_encodingHeadersArentWrapped :: MissingHeaders '["Authorization"] -> Bool
 prop_encodingHeadersArentWrapped hs@(MissingHeaders rhs) =
     actual `S.isSubsetOf` expected
     where
-    actual = encode hs ^@.. members & fmap fst & S.fromList
+    actual = S.fromList (foldMap keys $ decode' $ encode hs)
     expected = S.fromList $ either (const "") id . TE.decodeUtf8' . original . fst <$> rhs
+
+keys :: Value -> [Text]
+keys = \case
+  Object o -> Data.HashMap.Strict.keys o
+  _ -> mempty