diff --git a/src/sort/merge_sort.jl b/src/sort/merge_sort.jl
index d33fbc0..f8a0c19 100644
--- a/src/sort/merge_sort.jl
+++ b/src/sort/merge_sort.jl
@@ -1,4 +1,4 @@
-@kernel inbounds=true function _merge_sort_block!(vec, @Const(comp))
+@kernel inbounds=true function _merge_sort_block!(vec, comp)
 
     N = @groupsize()[1]
     s_buf = @localmem eltype(vec) (N * 2,)
@@ -75,7 +75,7 @@
 end
 
 
-@kernel inbounds=true function _merge_sort_global!(@Const(vec_in), vec_out, @Const(comp), @Const(half_size_group))
+@kernel inbounds=true function _merge_sort_global!(@Const(vec_in), vec_out, comp, half_size_group)
 
     len = length(vec_in)
     N = @groupsize()[1]
diff --git a/src/sort/merge_sort_by_key.jl b/src/sort/merge_sort_by_key.jl
index bb8d356..536b480 100644
--- a/src/sort/merge_sort_by_key.jl
+++ b/src/sort/merge_sort_by_key.jl
@@ -1,4 +1,4 @@
-@kernel inbounds=true function _merge_sort_by_key_block!(keys, values, @Const(comp))
+@kernel inbounds=true function _merge_sort_by_key_block!(keys, values, comp)
 
     N = @groupsize()[1]
     s_keys = @localmem eltype(keys) (N * 2,)
@@ -99,7 +99,7 @@ end
 
 @kernel inbounds=true function _merge_sort_by_key_global!(@Const(keys_in), keys_out,
                                                           @Const(values_in), values_out,
-                                                          @Const(comp), @Const(half_size_group))
+                                                          comp, half_size_group)
 
     len = length(keys_in)
     N = @groupsize()[1]