diff --git a/include/alpaka/mem/Visibility.hpp b/include/alpaka/mem/Visibility.hpp
index e326ad56d24..db32232f42b 100644
--- a/include/alpaka/mem/Visibility.hpp
+++ b/include/alpaka/mem/Visibility.hpp
@@ -96,11 +96,12 @@ namespace alpaka
         return getMemVisiblityName<TType>();
     }
 
-    template<typename T, typename TBuf>
-    // ,
-    // typename = std::enable_if_t<
-    //     (alpaka::isPlatform<std::decay_t<T>> || alpaka::isDevice<std::decay_t<T>>
-    //      || alpaka::isAccelerator<std::decay_t<T>>) &&alpaka::internal::isView<std::decay_t<TBuf>>>>
+    template<
+        typename T,
+        typename TBuf,
+        typename = std::enable_if_t<
+            (alpaka::isPlatform<std::decay_t<T>> || alpaka::isDevice<std::decay_t<T>>
+             || alpaka::isAccelerator<std::decay_t<T>>) &&alpaka::internal::isView<std::decay_t<TBuf>>>>
     inline constexpr bool hasSameMemView()
     {
         if constexpr(alpaka::isDevice<std::decay_t<T>> || alpaka::isAccelerator<std::decay_t<T>>)
@@ -110,12 +111,12 @@ namespace alpaka
                 typename alpaka::trait::MemVisibility<TBuf>::type,
                 typename alpaka::trait::MemVisibility<Platform>::type>::value;
         }
-        else
-        {
-            return alpaka::meta::Contains<
-                typename alpaka::trait::MemVisibility<TBuf>::type,
-                typename alpaka::trait::MemVisibility<T>::type>::value;
-        }
+
+        return alpaka::meta::Contains<
+            typename alpaka::trait::MemVisibility<TBuf>::type,
+            typename alpaka::trait::MemVisibility<T>::type>::value;
+
+        // ALPAKA_UNREACHABLE({});
     }
 
     template<typename TDev, typename TBuf>