diff --git a/src/Utils.hs b/src/Utils.hs
index 7c4641f02..01155ff19 100644
--- a/src/Utils.hs
+++ b/src/Utils.hs
@@ -10,7 +10,6 @@ import qualified Data.Foldable as Fold
 import Data.Foldable as Utils (foldlM, foldrM)
 import Data.Monoid (First, Sum(..))
 import Data.Proxy
-import Data.Scientific (base10Exponent)
 
 import Data.CaseInsensitive (CI)
 import qualified Data.CaseInsensitive as CI
@@ -348,28 +347,6 @@ rationalToFixed3 = rationalToFixed
 rationalToFixed2 :: Rational -> Fixed E2
 rationalToFixed2 = rationalToFixed
 
---data SomeResolution = forall prec. HasResolution prec => SomeResolution (Proxy prec)
---
---instance Eq SomeResolution where
---  SomeResolution (_ :: Proxy p) == SomeResolution (_ :: Proxy p') = True
---instance Ord SomeResolution where
---  compare _ _ = EQ
---
---instance ToJSON SomeResolution where
---  toJSON (SomeResolution (_ :: Proxy prec)) = undefined
---instance FromJSON SomeResolution where
---  parseJSON = Aeson.withScientific "SomeResolution" $ \s -> case base10Exponent s of
---    0 -> return $ SomeResolution (Proxy @E0)
---    1 -> return $ SomeResolution (Proxy @E1)
---    2 -> return $ SomeResolution (Proxy @E2)
---    3 -> return $ SomeResolution (Proxy @E3)
---    e -> terror $ "SomeResolution parseJSON error: expected exponent E(0|1|2|3), but got " <> tshow e
---
---someResolutions :: [SomeResolution]
---someResolutions = [ SomeResolution (Proxy @E0), SomeResolution (Proxy @E1), SomeResolution (Proxy @E2), SomeResolution (Proxy @E3) ]
---
---singleRes :: SomeResolution
---singleRes = SomeResolution (Proxy @E2)
 
 
 ----------