diff --git a/cardano-api/cardano-api.cabal b/cardano-api/cardano-api.cabal
index b98778ace9..010bb3da82 100644
--- a/cardano-api/cardano-api.cabal
+++ b/cardano-api/cardano-api.cabal
@@ -197,7 +197,6 @@ library internal
     microlens-aeson,
     mtl,
     network,
-    optparse-applicative-fork,
     ouroboros-consensus ^>=0.20,
     ouroboros-consensus-cardano ^>=0.19,
     ouroboros-consensus-diffusion ^>=0.17,
diff --git a/cardano-api/internal/Cardano/Api/Utils.hs b/cardano-api/internal/Cardano/Api/Utils.hs
index f0afd2619b..3c8d7cc28a 100644
--- a/cardano-api/internal/Cardano/Api/Utils.hs
+++ b/cardano-api/internal/Cardano/Api/Utils.hs
@@ -19,14 +19,11 @@ module Cardano.Api.Utils
   , failEitherWith
   , noInlineMaybeToStrictMaybe
   , note
-  , parseFilePath
   , readFileBlocking
   , runParsecParser
   , textShow
-  , modifyWith
 
     -- ** CLI option parsing
-  , bounded
   , unsafeBoundedRational
   )
 where
@@ -34,7 +31,6 @@ where
 import Cardano.Ledger.BaseTypes
 import Cardano.Ledger.Shelley ()
 import Control.Exception (bracket)
-import Control.Monad (when)
 import qualified Data.Aeson.Types as Aeson
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Builder as Builder
@@ -45,14 +41,10 @@ import qualified Data.Text as Text
 import Data.Typeable
 import GHC.IO.Handle.FD (openFileBlocking)
 import GHC.Stack
-import Options.Applicative (ReadM)
-import qualified Options.Applicative as Opt
-import Options.Applicative.Builder (eitherReader)
 import System.IO (IOMode (ReadMode), hClose)
 import qualified Text.Parsec as Parsec
 import qualified Text.Parsec.String as Parsec
 import qualified Text.ParserCombinators.Parsec.Error as Parsec
-import qualified Text.Read as Read
 
 (?!) :: Maybe a -> e -> Either e a
 Nothing ?! e = Left e
@@ -94,15 +86,6 @@ note msg = \case
   Nothing -> fail msg
   Just a -> pure a
 
-parseFilePath :: String -> String -> Opt.Parser FilePath
-parseFilePath optname desc =
-  Opt.strOption
-    ( Opt.long optname
-        <> Opt.metavar "FILEPATH"
-        <> Opt.help desc
-        <> Opt.completer (Opt.bashCompleter "file")
-    )
-
 readFileBlocking :: FilePath -> IO BS.ByteString
 readFileBlocking path =
   bracket
@@ -123,21 +106,6 @@ readFileBlocking path =
 textShow :: Show a => a -> Text
 textShow = Text.pack . show
 
-bounded :: forall a. (Bounded a, Integral a, Show a) => String -> ReadM a
-bounded t = eitherReader $ \s -> do
-  i <- Read.readEither @Integer s
-  when (i < fromIntegral (minBound @a)) $ Left $ t <> " must not be less than " <> show (minBound @a)
-  when (i > fromIntegral (maxBound @a)) $ Left $ t <> " must not greater than " <> show (maxBound @a)
-  pure (fromIntegral i)
-
--- | Aids type inference.  Use this function to ensure the value is a function
--- that modifies a value.
-modifyWith
-  :: ()
-  => (a -> a)
-  -> (a -> a)
-modifyWith = id
-
 -- | Convert Rational to a bounded rational. Throw an exception when the rational is out of bounds.
 unsafeBoundedRational
   :: forall r
diff --git a/cardano-api/src/Cardano/Api.hs b/cardano-api/src/Cardano/Api.hs
index 6b720e3877..c168cc0cc9 100644
--- a/cardano-api/src/Cardano/Api.hs
+++ b/cardano-api/src/Cardano/Api.hs
@@ -926,7 +926,6 @@ module Cardano.Api
   , chainPointToSlotNo
   , chainPointToHeaderHash
   , makeChainTip
-  , parseFilePath
   , writeSecrets
 
     -- * Convenience functions
@@ -949,9 +948,6 @@ module Cardano.Api
   , notScriptLockedTxIns
   , textShow
 
-    -- ** CLI option parsing
-  , bounded
-
     -- ** Query expressions
   , queryAccountState
   , queryChainBlockNo