diff --git a/CMakeLists.txt b/CMakeLists.txt
index 88b6419..5a5ff4d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,7 @@ set(TEST_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/tests/main.cpp
                  ${CMAKE_CURRENT_SOURCE_DIR}/tests/constexpr.cpp
                  ${CMAKE_CURRENT_SOURCE_DIR}/tests/constructors.cpp
                  ${CMAKE_CURRENT_SOURCE_DIR}/tests/assignment.cpp
+                 ${CMAKE_CURRENT_SOURCE_DIR}/tests/bases.cpp
                  ${CMAKE_CURRENT_SOURCE_DIR}/tests/nullopt.cpp)
 
 add_executable(tests ${TEST_SOURCES})
diff --git a/tests/bases.cpp b/tests/bases.cpp
index 0fb7f43..8740c48 100644
--- a/tests/bases.cpp
+++ b/tests/bases.cpp
@@ -47,21 +47,6 @@ TEST_CASE("Deletion", "[bases.deletion]") {
     REQUIRE(std::is_move_assignable<tl::optional<int>>::value);
     REQUIRE(std::is_destructible<tl::optional<int>>::value);
 
-//TODO fix
-/*    {
-        struct T {
-            T()=default;
-        };
-        REQUIRE(std::is_default_constructible<tl::optional<T>>::value);
-    }
-
-    {
-        struct T {
-            T(int);
-        };
-        REQUIRE(!std::is_default_constructible<tl::optional<T>>::value);
-    }
-*/
     {
         struct T {
             T(const T&) = default;