diff --git a/src/core/model/deprecated.h b/src/core/model/deprecated.h
index fbbac3b83..31f3f08d0 100644
--- a/src/core/model/deprecated.h
+++ b/src/core/model/deprecated.h
@@ -102,11 +102,4 @@
  */
 #define NS_DEPRECATED_3_38(msg) NS_DEPRECATED(msg)
 
-/**
- * \ingroup core
- * \def NS_DEPRECATED_3_37
- * Tag for things deprecated in version ns-3.37.
- */
-#define NS_DEPRECATED_3_37(msg) NS_DEPRECATED(msg)
-
 #endif /* NS3_DEPRECATED_H */
diff --git a/src/core/model/ptr.h b/src/core/model/ptr.h
index 19229c774..06a988b01 100644
--- a/src/core/model/ptr.h
+++ b/src/core/model/ptr.h
@@ -21,7 +21,6 @@
 #define PTR_H
 
 #include "assert.h"
-#include "deprecated.h"
 
 #include <iostream>
 #include <stdint.h>
@@ -80,23 +79,6 @@ class Ptr
     /** The pointer. */
     T* m_ptr;
 
-    /**
-     * Helper to test for null pointer.
-     *
-     * \note This has been deprecated; \see operator bool() instead.
-     *
-     * This supports the "safe-bool" idiom, see `operator Tester * ()`
-     */
-    // Don't deprecate the class because the warning fires
-    // every time ptr.h is merely included, masking the real uses of Tester
-    // Leave the macro here so we can find this later to actually remove it.
-    class /* NS_DEPRECATED_3_37 ("see operator bool") */ Tester
-    {
-      public:
-        // Delete operator delete to avoid misuse
-        void operator delete(void*) = delete;
-    };
-
     /** Interoperate with const instances. */
     friend class Ptr<const T>;
 
@@ -197,23 +179,6 @@ class Ptr
      */
     T& operator*();
 
-    /**
-     * Test for non-NULL Ptr.
-     *
-     * \note This has been deprecated; \see operator bool() instead.
-     *
-     * This enables simple pointer checks like
-     * \code
-     *   Ptr<...> p = ...;
-     *   if (p) ...
-     * \endcode
-     * This also disables deleting a Ptr
-     *
-     * This supports the "safe-bool" idiom; see [More C++ Idioms/Safe
-     * bool](https://en.wikibooks.org/wiki/More_C%2B%2B_Idioms/Safe_bool)
-     */
-    NS_DEPRECATED_3_37("see operator bool")
-    operator Tester*() const;
     /**
      * Test for non-NULL pointer.
      *
@@ -773,17 +738,6 @@ Ptr<T>::operator*()
     return *m_ptr;
 }
 
-template <typename T>
-Ptr<T>::operator Tester*() const // NS_DEPRECATED_3_37
-{
-    if (m_ptr == nullptr)
-    {
-        return nullptr;
-    }
-    static Tester test;
-    return &test;
-}
-
 template <typename T>
 Ptr<T>::operator bool() const
 {