diff --git a/tracetools/CMakeLists.txt b/tracetools/CMakeLists.txt
index 2263184..def6f95 100644
--- a/tracetools/CMakeLists.txt
+++ b/tracetools/CMakeLists.txt
@@ -94,7 +94,6 @@ if(BUILD_TESTING)
   ament_add_gtest(test_utils test/test_utils.cpp)
   if(TARGET test_utils)
     target_link_libraries(test_utils ${PROJECT_NAME} -rdynamic)
-    target_include_directories(test_utils PRIVATE test/)
   endif()
 endif()
 
diff --git a/tracetools/test/test_utils.cpp b/tracetools/test/test_utils.cpp
index d60a3a0..a0fb10d 100644
--- a/tracetools/test/test_utils.cpp
+++ b/tracetools/test/test_utils.cpp
@@ -20,17 +20,19 @@
 #include "tracetools/utils.hpp"
 #include "test_utils.hpp"
 
-int function_int_int(int num)
+class SomeClassWithCallback
 {
-  return num + 1;
-}
+public:
+  SomeClassWithCallback() {}
 
-void function_generic_shared(const std::shared_ptr<int> p)
-{
-  (void)p;
-}
+  void my_callback(int some_number, std::string some_string)
+  {
+    (void)some_number;
+    (void)some_string;
+  }
+};
 
-void function_generic_unique(const std::unique_ptr<int> p)
+void function_shared(const std::shared_ptr<int> p)
 {
   (void)p;
 }
@@ -39,29 +41,26 @@ void function_generic_unique(const std::unique_ptr<int> p)
    Testing address and symbol resolution for std::function objects.
  */
 TEST(TestUtils, valid_address_symbol) {
-  std::function<int(int)> f = &function_int_int;
-  std::function<int(int)> lambda = [](int num) {return num + 1;};
-  std::function<int(int)> l = lambda;
-
-  ASSERT_EQ(f(69), l(69));
+  // Function pointer
+  std::function<void(std::shared_ptr<int>)> f = &function_shared;
+  // Address for one with an actual underlying function should be non-zero
+  ASSERT_GT(get_address(f), (void *)0) << "get_address() for function not valid";
+  ASSERT_STREQ(get_symbol(get_address(f)), "function_shared(std::shared_ptr<int>)") << "invalid function name";
 
+  // Lambda
+  std::function<int(int)> l = [](int num) {return num + 1;};
   // Address for an std::function with an underlying lambda should be nullptr
   ASSERT_EQ(get_address(l), nullptr) << "get_address() for lambda std::function not 0";
-  // But address for one with an actual underlying function should be non-zero
-  ASSERT_GT(get_address(f), (void *)0) << "get_address() for function not valid";
+  // TODO symbol
 
-  ASSERT_STREQ(get_symbol(get_address(f)), "function_int_int(int)") << "invalid function name";
-
-  // Generic
-  std::function<void (const std::shared_ptr<int>)> fg_shared = &function_generic_shared;
-  SomeGenericClass<int> gc_shared;
-  gc_shared.set(fg_shared);
-  ASSERT_GT(gc_shared.get_address_(), (void *)0) << "generic -- address invalid";
-  ASSERT_STREQ(gc_shared.get_symbol_(), "function_generic_shared(std::shared_ptr<int>)") << "generic -- symbol invalid";
-
-  std::function<void (const std::unique_ptr<int>)> fg_unique = &function_generic_unique;
-  SomeGenericClass<int> gc_unique;
-  gc_unique.set(fg_unique);
-  ASSERT_GT(gc_unique.get_address_(), (void *)0) << "generic -- address invalid";
-  ASSERT_STREQ(gc_unique.get_symbol_(), "function_generic_unique(std::unique_ptr<int, std::default_delete<int> >)") << "generic -- symbol invalid";
+  // Bind (to member function)
+  SomeClassWithCallback scwc;
+  std::function<void(int, std::string)> fscwc = std::bind(
+    &SomeClassWithCallback::my_callback,
+    &scwc,
+    std::placeholders::_1,
+    std::placeholders::_2
+  );
+  ASSERT_EQ(get_address(fscwc), nullptr) << "get_address() for std::bind std::function not 0";
+  // TODO symbol
 }
diff --git a/tracetools/test/test_utils.hpp b/tracetools/test/test_utils.hpp
deleted file mode 100644
index 33e9605..0000000
--- a/tracetools/test/test_utils.hpp
+++ /dev/null
@@ -1,66 +0,0 @@
-#include <memory>
-#include <type_traits>
-
-#include "tracetools/utils.hpp"
-#include "function_traits.hpp"
-
-
-template<typename ParamT>
-class SomeGenericClass
-{
-using SharedPtrCallback = std::function<void (const std::shared_ptr<ParamT>)>;
-using UniquePtrCallback = std::function<void (const std::unique_ptr<ParamT>)>;
-
-public:
-  SomeGenericClass()
-  : my_callback_shared_(nullptr), my_callback_unique_(nullptr)
-  {}
-
-  template<
-    typename TheType,
-    typename std::enable_if<
-      rclcpp::function_traits::same_arguments<
-        TheType,
-        SharedPtrCallback
-      >::value
-    >::type * = nullptr
-  >
-  void set(TheType callback)
-  {
-    my_callback_shared_ = callback;
-  }
-
-  template<
-    typename TheType,
-    typename std::enable_if<
-      rclcpp::function_traits::same_arguments<
-        TheType,
-        UniquePtrCallback
-      >::value
-    >::type * = nullptr
-  >
-  void set(TheType callback)
-  {
-    my_callback_unique_ = callback;
-  }
-
-  void * get_address_()
-  {
-    if (my_callback_shared_) {
-      return get_address(my_callback_shared_);
-    } else if (my_callback_unique_) {
-      return get_address(my_callback_unique_);
-    } else {
-      return (void *)0;
-    }
-  }
-
-  const char * get_symbol_()
-  {
-    return get_symbol(get_address_());
-  }
-
-private:
-  SharedPtrCallback my_callback_shared_;
-  UniquePtrCallback my_callback_unique_;
-};