diff --git a/lib/XMonad/Internal/DBus/Brightness/ClevoKeyboard.hs b/lib/XMonad/Internal/DBus/Brightness/ClevoKeyboard.hs
index c673898..8352949 100644
--- a/lib/XMonad/Internal/DBus/Brightness/ClevoKeyboard.hs
+++ b/lib/XMonad/Internal/DBus/Brightness/ClevoKeyboard.hs
@@ -13,11 +13,10 @@ module XMonad.Internal.DBus.Brightness.ClevoKeyboard
   )
 where
 
-import Control.Monad (when)
 import DBus
-import Data.Int (Int32)
 import Data.Internal.DBus
 import Data.Internal.Dependency
+import RIO
 import RIO.FilePath
 import XMonad.Internal.DBus.Brightness.Common
 import XMonad.Internal.IO
@@ -127,8 +126,12 @@ exportClevoKeyboard =
 clevoKeyboardControls :: Maybe SesClient -> BrightnessControls
 clevoKeyboardControls = brightnessControls xpfClevoBacklight clevoKeyboardConfig
 
-callGetBrightnessCK :: SesClient -> IO (Maybe Brightness)
+callGetBrightnessCK :: MonadUnliftIO m => SesClient -> m (Maybe Brightness)
 callGetBrightnessCK = callGetBrightness clevoKeyboardConfig
 
-matchSignalCK :: (Maybe Brightness -> IO ()) -> SesClient -> IO ()
+matchSignalCK
+  :: MonadUnliftIO m
+  => (Maybe Brightness -> m ())
+  -> SesClient
+  -> m ()
 matchSignalCK = matchSignal clevoKeyboardConfig
diff --git a/lib/XMonad/Internal/DBus/Brightness/IntelBacklight.hs b/lib/XMonad/Internal/DBus/Brightness/IntelBacklight.hs
index 21a3f94..0858fed 100644
--- a/lib/XMonad/Internal/DBus/Brightness/IntelBacklight.hs
+++ b/lib/XMonad/Internal/DBus/Brightness/IntelBacklight.hs
@@ -14,9 +14,9 @@ module XMonad.Internal.DBus.Brightness.IntelBacklight
 where
 
 import DBus
-import Data.Int (Int32)
 import Data.Internal.DBus
 import Data.Internal.Dependency
+import RIO
 import RIO.FilePath
 import XMonad.Internal.DBus.Brightness.Common
 import XMonad.Internal.IO
@@ -110,8 +110,12 @@ exportIntelBacklight =
 intelBacklightControls :: Maybe SesClient -> BrightnessControls
 intelBacklightControls = brightnessControls xpfIntelBacklight intelBacklightConfig
 
-callGetBrightnessIB :: SesClient -> IO (Maybe Brightness)
+callGetBrightnessIB :: MonadUnliftIO m => SesClient -> m (Maybe Brightness)
 callGetBrightnessIB = callGetBrightness intelBacklightConfig
 
-matchSignalIB :: (Maybe Brightness -> IO ()) -> SesClient -> IO ()
+matchSignalIB
+  :: MonadUnliftIO m
+  => (Maybe Brightness -> m ())
+  -> SesClient
+  -> m ()
 matchSignalIB = matchSignal intelBacklightConfig