diff --git a/unison-runtime/src/Unison/Runtime/Stack.hs b/unison-runtime/src/Unison/Runtime/Stack.hs
index 2c8b001bb4..4e0375c957 100644
--- a/unison-runtime/src/Unison/Runtime/Stack.hs
+++ b/unison-runtime/src/Unison/Runtime/Stack.hs
@@ -152,10 +152,6 @@ import Prelude hiding (words)
 
 {- ORMOLU_DISABLE -}
 #ifdef STACK_CHECK
-import Data.Text.IO (hPutStrLn)
-import UnliftIO (stderr, throwIO)
-import GHC.Stack (CallStack, callStack)
-
 type DebugCallStack = (HasCallStack :: Constraint)
 
 unboxedSentinel :: Int