diff --git a/src/memory/allocator_wrapper.h b/src/memory/allocator_wrapper.h
index d31b815..ebf87eb 100755
--- a/src/memory/allocator_wrapper.h
+++ b/src/memory/allocator_wrapper.h
@@ -52,9 +52,9 @@ public:
     allocator_wrapper() noexcept {}
 
     // no copy
-    allocator_wrapper(const allocator_wrapper<T, AllocP>& rhs) noexcept {}
+    allocator_wrapper(const allocator_wrapper<T, AllocP>&) noexcept {}
     template <typename U>
-    allocator_wrapper(const allocator_wrapper<U, AllocP>& rhs) noexcept {}
+    allocator_wrapper(const allocator_wrapper<U, AllocP>&) noexcept {}
 
     allocator_wrapper(allocator_wrapper<T, AllocP> && rhs) noexcept : alloc_(std::move(rhs.alloc_)) {}
     template <typename U>
diff --git a/src/memory/resource.h b/src/memory/resource.h
index 3d0cd15..a410034 100755
--- a/src/memory/resource.h
+++ b/src/memory/resource.h
@@ -19,7 +19,7 @@ namespace mem {
 
 using async_pool_alloc = 
       static_wrapper<variable_wrapper<async_wrapper<detail::fixed_alloc<
-                                                    scope_alloc<>, fixed_expand_policy<> >>>>;
+                                                    static_alloc, fixed_expand_policy<> >>>>;
 
 template <typename T>
 using allocator = allocator_wrapper<T, async_pool_alloc>;
diff --git a/test/test_mem.cpp b/test/test_mem.cpp
index e82007f..d67f682 100755
--- a/test/test_mem.cpp
+++ b/test/test_mem.cpp
@@ -127,7 +127,7 @@ void benchmark_alloc() {
         w = std::thread {[&, pid] {
             sw.start();
             for (std::size_t k = 0; k < 100; ++k)
-            for (std::size_t n = (CacheSize * pid); n < (CacheSize * (pid + 1)); ++n) {
+            for (int n = (CacheSize * pid); n < (CacheSize * (pid + 1)); ++n) {
                 std::size_t s = sizes__[n];
                 AllocT::free(AllocT::alloc(s), s);
             }