diff --git a/src/Specular/Internal/Incremental/MutableArray.purs b/src/Specular/Internal/Incremental/MutableArray.purs
index 59dbb2b..d39f625 100644
--- a/src/Specular/Internal/Incremental/MutableArray.purs
+++ b/src/Specular/Internal/Incremental/MutableArray.purs
@@ -4,15 +4,11 @@ import Prelude
 
 import Effect (Effect)
 import Effect.Uncurried (EffectFn1, EffectFn2)
-import Unsafe.Coerce (unsafeCoerce)
 
 foreign import data MutableArray :: Type -> Type
 
 foreign import empty :: forall a. Effect (MutableArray a)
 
-unsafeToArray :: forall a. MutableArray a -> Array a
-unsafeToArray x = unsafeCoerce x
-
 foreign import push :: forall a. EffectFn2 (MutableArray a) a Unit
 foreign import length :: forall a. EffectFn1 (MutableArray a) Int