diff --git a/bindings/haskell/src/Unicorn/Hook.hs b/bindings/haskell/src/Unicorn/Hook.hs
index d716a9ba..2e13ebc4 100644
--- a/bindings/haskell/src/Unicorn/Hook.hs
+++ b/bindings/haskell/src/Unicorn/Hook.hs
@@ -44,7 +44,6 @@ import Foreign
 
 import Unicorn.Internal.Core
 import Unicorn.Internal.Hook
-import Unicorn.Internal.Util
 import qualified Unicorn.CPU.X86 as X86
 
 -------------------------------------------------------------------------------
diff --git a/bindings/haskell/src/Unicorn/Internal/Unicorn.chs b/bindings/haskell/src/Unicorn/Internal/Unicorn.chs
index 3e80b7bd..f6a4f71d 100644
--- a/bindings/haskell/src/Unicorn/Internal/Unicorn.chs
+++ b/bindings/haskell/src/Unicorn/Internal/Unicorn.chs
@@ -78,9 +78,9 @@ import Unicorn.Internal.Util
 -- | Memory region mapped by 'memMap'. Retrieve the list of memory regions with
 -- 'memRegions'.
 data MemoryRegion = MemoryRegion {
-    begin :: Word64,            -- ^ Begin address of the region (inclusive)
-    end   :: Word64,            -- ^ End address of the region (inclusive)
-    perms :: [MemoryPermission] -- ^ Memory permissions of the region
+    mrBegin :: Word64,            -- ^ Begin address of the region (inclusive)
+    mrEnd   :: Word64,            -- ^ End address of the region (inclusive)
+    mrPerms :: [MemoryPermission] -- ^ Memory permissions of the region
 }
 
 instance Storable MemoryRegion where
@@ -91,9 +91,9 @@ instance Storable MemoryRegion where
                     <*> liftA fromIntegral ({# get uc_mem_region->end #} p)
                     <*> liftA expandMemPerms ({# get uc_mem_region->perms #} p)
     poke p mr   = do
-        {# set uc_mem_region.begin #} p (fromIntegral $ begin mr)
-        {# set uc_mem_region.end #} p (fromIntegral $ end mr)
-        {# set uc_mem_region.perms #} p (combineEnums $ perms mr)
+        {# set uc_mem_region.begin #} p (fromIntegral $ mrBegin mr)
+        {# set uc_mem_region.end #} p (fromIntegral $ mrEnd mr)
+        {# set uc_mem_region.perms #} p (combineEnums $ mrPerms mr)
 
 -- | A pointer to a memory region.
 {# pointer *uc_mem_region as MemoryRegionPtr -> MemoryRegion #}
@@ -225,11 +225,11 @@ expandMemPerms perms =
     else
         checkRWE maskedPerms [ProtRead, ProtWrite, ProtExec]
     where
-        checkRWE perms (prot:prots) =
-            if perms .&. (fromEnum prot) /= 0 then
-                prot : checkRWE perms prots
+        checkRWE p (x:xs) =
+            if p .&. (fromEnum x) /= 0 then
+                x : checkRWE p xs
             else
-                checkRWE perms prots
+                checkRWE p xs
         checkRWE _ [] =
             []