diff --git a/include/chaiscript/dispatchkit/dispatchkit.hpp b/include/chaiscript/dispatchkit/dispatchkit.hpp
index 352b086..54bef22 100644
--- a/include/chaiscript/dispatchkit/dispatchkit.hpp
+++ b/include/chaiscript/dispatchkit/dispatchkit.hpp
@@ -418,11 +418,9 @@ namespace chaiscript
           std::vector<std::pair<std::string, Boxed_Value>> m_boxed_functions;
           std::map<std::string, Boxed_Value> m_global_objects;
           Type_Name_Map m_types;
-          std::set<std::string> m_reserved_words;
-
-          State &operator=(const State &) = default;
-          State() = default;
-          State(const State &) = default;
+          std::set<std::string> m_reserved_words 
+            = {"def", "fun", "while", "for", "if", "else", "&&", "||", ",", "auto", 
+               "return", "break", "true", "false", "class", "attr", "var", "global", "GLOBAL", "_"};
         };
 
         Dispatch_Engine()
@@ -430,10 +428,6 @@ namespace chaiscript
         {
         }
 
-        ~Dispatch_Engine()
-        {
-        }
-
         /// \brief casts an object while applying any Dynamic_Conversion available
         template<typename Type>
           typename detail::Cast_Helper<Type>::Result_Type boxed_cast(const Boxed_Value &bv) const
@@ -892,12 +886,6 @@ namespace chaiscript
           return rets;
         }
 
-        void add_reserved_word(const std::string &name)
-        {
-          chaiscript::detail::threading::unique_lock<chaiscript::detail::threading::shared_mutex> l(m_mutex);
-
-          m_state.m_reserved_words.insert(name);
-        }
 
         const Type_Conversions &conversions() const
         {
diff --git a/include/chaiscript/language/chaiscript_common.hpp b/include/chaiscript/language/chaiscript_common.hpp
index 22f7548..a36bc1a 100644
--- a/include/chaiscript/language/chaiscript_common.hpp
+++ b/include/chaiscript/language/chaiscript_common.hpp
@@ -513,7 +513,10 @@ namespace chaiscript
         std::replace(children.begin(), children.end(), t_child, t_new_child);
       }
 
-      virtual ~AST_Node() {}
+      virtual ~AST_Node() = default;
+      AST_Node(AST_Node &&) = default;
+      AST_Node &operator=(AST_Node &&) = default;
+
 
     protected:
       AST_Node(std::string t_ast_node_text, AST_Node_Type t_id, Parse_Location t_loc, 
@@ -563,6 +566,8 @@ namespace chaiscript
       /// Creates a new scope then pops it on destruction
       struct Scope_Push_Pop
       {
+        Scope_Push_Pop(Scope_Push_Pop &&) = default;
+        Scope_Push_Pop& operator=(Scope_Push_Pop &&) = default;
         Scope_Push_Pop(const Scope_Push_Pop &) = delete;
         Scope_Push_Pop& operator=(const Scope_Push_Pop &) = delete;
 
@@ -585,6 +590,8 @@ namespace chaiscript
       /// Creates a new function call and pops it on destruction
       struct Function_Push_Pop
       {
+        Function_Push_Pop(Function_Push_Pop &&) = default;
+        Function_Push_Pop& operator=(Function_Push_Pop &&) = default;
         Function_Push_Pop(const Function_Push_Pop &) = delete;
         Function_Push_Pop& operator=(const Function_Push_Pop &) = delete;
 
@@ -617,6 +624,8 @@ namespace chaiscript
       /// Creates a new scope then pops it on destruction
       struct Stack_Push_Pop
       {
+        Stack_Push_Pop(Stack_Push_Pop &&) = default;
+        Stack_Push_Pop& operator=(Stack_Push_Pop &&) = default;
         Stack_Push_Pop(const Stack_Push_Pop &) = delete;
         Stack_Push_Pop& operator=(const Stack_Push_Pop &) = delete;
 
diff --git a/include/chaiscript/language/chaiscript_engine.hpp b/include/chaiscript/language/chaiscript_engine.hpp
index 4aaf0f4..bc00f7a 100644
--- a/include/chaiscript/language/chaiscript_engine.hpp
+++ b/include/chaiscript/language/chaiscript_engine.hpp
@@ -128,27 +128,6 @@ namespace chaiscript
 
     /// Builds all the requirements for ChaiScript, including its evaluator and a run of its prelude.
     void build_eval_system(const ModulePtr &t_lib) {
-      m_engine.add_reserved_word("def");
-      m_engine.add_reserved_word("fun");
-      m_engine.add_reserved_word("while");
-      m_engine.add_reserved_word("for");
-      m_engine.add_reserved_word("if");
-      m_engine.add_reserved_word("else");
-      m_engine.add_reserved_word("&&");
-      m_engine.add_reserved_word("||");
-      m_engine.add_reserved_word(",");
-      m_engine.add_reserved_word("auto");
-      m_engine.add_reserved_word("return");
-      m_engine.add_reserved_word("break");
-      m_engine.add_reserved_word("true");
-      m_engine.add_reserved_word("false");
-      m_engine.add_reserved_word("class");
-      m_engine.add_reserved_word("attr");
-      m_engine.add_reserved_word("var");
-      m_engine.add_reserved_word("global");
-      m_engine.add_reserved_word("GLOBAL");
-      m_engine.add_reserved_word("_");
-
       if (t_lib)
       {
         add(t_lib);
diff --git a/include/chaiscript/language/chaiscript_posix.hpp b/include/chaiscript/language/chaiscript_posix.hpp
index 08cb53d..c22fe87 100644
--- a/include/chaiscript/language/chaiscript_posix.hpp
+++ b/include/chaiscript/language/chaiscript_posix.hpp
@@ -24,8 +24,10 @@ namespace chaiscript
           }
         }
 
-        DLModule(const DLModule &); // Explicitly unimplemented copy constructor
-        DLModule &operator=(const DLModule &); // Explicitly unimplemented assignment operator
+        DLModule(DLModule &&) = default;
+        DLModule &operator=(DLModule &&) = default;
+        DLModule(const DLModule &) = delete;
+        DLModule &operator=(const DLModule &) = delete;
 
         ~DLModule()
         {
diff --git a/include/chaiscript/language/chaiscript_windows.hpp b/include/chaiscript/language/chaiscript_windows.hpp
index f36db1e..049e341 100644
--- a/include/chaiscript/language/chaiscript_windows.hpp
+++ b/include/chaiscript/language/chaiscript_windows.hpp
@@ -89,6 +89,11 @@ namespace chaiscript
           }
         }
 
+        DLModule(DLModule &&) = default;
+        DLModule &operator=(DLModule &&) = default;
+        DLModule(const DLModule &) = delete;
+        DLModule &operator=(const DLModule &) = delete;
+
         ~DLModule()
         {
           FreeLibrary(m_data);