diff --git a/include/pocketpy/codeobject.h b/include/pocketpy/codeobject.h
index 9cb79d3d..cba571b1 100644
--- a/include/pocketpy/codeobject.h
+++ b/include/pocketpy/codeobject.h
@@ -65,8 +65,8 @@ struct CodeObject {
     std::vector<int> iblocks;       // block index for each bytecode
     std::vector<LineInfo> lines;
     
-    small_vector_no_copy_and_move<PyObject*, 8> consts;         // constants
-    small_vector_no_copy_and_move<StrName, 8> varnames;         // local variables
+    small_vector_2<PyObject*, 8> consts;         // constants
+    small_vector_2<StrName, 8> varnames;         // local variables
 
     NameDictInt varnames_inv;
     std::vector<CodeBlock> blocks;
@@ -100,8 +100,8 @@ struct FuncDecl {
     };
     CodeObject_ code;           // code object of this function
 
-    small_vector_no_copy_and_move<int, 6> args;      // indices in co->varnames
-    small_vector_no_copy_and_move<KwArg, 6> kwargs;  // indices in co->varnames
+    small_vector_2<int, 6> args;      // indices in co->varnames
+    small_vector_2<KwArg, 6> kwargs;  // indices in co->varnames
 
     int starred_arg = -1;       // index in co->varnames, -1 if no *arg
     int starred_kwarg = -1;     // index in co->varnames, -1 if no **kwarg
diff --git a/include/pocketpy/lexer.h b/include/pocketpy/lexer.h
index ff268454..fff1d7e3 100644
--- a/include/pocketpy/lexer.h
+++ b/include/pocketpy/lexer.h
@@ -100,7 +100,7 @@ struct Lexer {
     const char* curr_char;
     int current_line = 1;
     std::vector<Token> nexts;
-    stack_no_copy<int, small_vector_no_copy_and_move<int, 8>> indents;
+    stack_no_copy<int, small_vector_2<int, 8>> indents;
     int brackets_level = 0;
 
     char peekchar() const{ return *curr_char; }
diff --git a/include/pocketpy/obj.h b/include/pocketpy/obj.h
index 8859437a..ad4dc58a 100644
--- a/include/pocketpy/obj.h
+++ b/include/pocketpy/obj.h
@@ -112,15 +112,10 @@ struct PyObject{
     }
 
     virtual void _obj_gc_mark() = 0;
+    virtual ~PyObject();
 
     PyObject(Type type) : gc_enabled(true), gc_marked(false), type(type), _attr(nullptr) {}
 
-    virtual ~PyObject(){
-        if(_attr == nullptr) return;
-        _attr->~NameDict();
-        pool128_dealloc(_attr);
-    }
-
     void _enable_instance_dict() {
         _attr = new(pool128_alloc<NameDict>()) NameDict();
     }
diff --git a/include/pocketpy/vector.h b/include/pocketpy/vector.h
index cc334c5e..25b507fd 100644
--- a/include/pocketpy/vector.h
+++ b/include/pocketpy/vector.h
@@ -394,16 +394,14 @@ namespace pkpy
         }
     };
 
-// small_vector_no_copy_and_move
-
     template<typename T, std::size_t N>
-    class small_vector_no_copy_and_move: public small_vector<T, N>
+    class small_vector_2: public small_vector<T, N>
     {
     public:
-        small_vector_no_copy_and_move() = default;
-        small_vector_no_copy_and_move(const small_vector_no_copy_and_move& other) = delete;
-        small_vector_no_copy_and_move& operator=(const small_vector_no_copy_and_move& other) = delete;
-        small_vector_no_copy_and_move(small_vector_no_copy_and_move&& other) = delete;
-        small_vector_no_copy_and_move& operator=(small_vector_no_copy_and_move&& other) = delete;
+        small_vector_2() = default;
+        small_vector_2(const small_vector_2& other) = delete;
+        small_vector_2& operator=(const small_vector_2& other) = delete;
+        small_vector_2(small_vector_2&& other) = delete;
+        small_vector_2& operator=(small_vector_2&& other) = delete;
     };
 } // namespace pkpy
\ No newline at end of file
diff --git a/src/compiler.cpp b/src/compiler.cpp
index 889854f6..408cc321 100644
--- a/src/compiler.cpp
+++ b/src/compiler.cpp
@@ -704,9 +704,10 @@ __EAT_DOTS_END:
     void Compiler::compile_try_except() {
         ctx()->enter_block(CodeBlockType::TRY_EXCEPT);
         compile_block_body();
-        pod_vector<int> patches = {
+        small_vector_2<int, 6> patches;
+        patches.push_back(
             ctx()->emit_(OP_JUMP_ABSOLUTE, BC_NOARG, BC_KEEPLINE)
-        };
+        );
         ctx()->exit_block();
 
         int finally_entry = -1;
diff --git a/src/lexer.cpp b/src/lexer.cpp
index 918dec48..5b45d2d1 100644
--- a/src/lexer.cpp
+++ b/src/lexer.cpp
@@ -204,7 +204,7 @@ static bool is_unicode_Lo_char(uint32_t c) {
 
     Str Lexer::eat_string_until(char quote, bool raw) {
         bool quote3 = match_n_chars(2, quote);
-        pod_vector<char> buff;
+        small_vector_2<char, 32> buff;
         while (true) {
             char c = eatchar_include_newline();
             if (c == quote){
diff --git a/src/obj.cpp b/src/obj.cpp
index 0e1ab193..2df4cece 100644
--- a/src/obj.cpp
+++ b/src/obj.cpp
@@ -47,4 +47,10 @@ namespace pkpy{
         return {p, size};
     }
 
+    PyObject::~PyObject(){
+        if(_attr == nullptr) return;
+        _attr->~NameDict();
+        pool128_dealloc(_attr);
+    }
+
 }   // namespace pkpy
\ No newline at end of file