diff --git a/3rd/cjson/src/cJSONw.cpp b/3rd/cjson/src/cJSONw.cpp
index 061d7f1c..91ff1484 100644
--- a/3rd/cjson/src/cJSONw.cpp
+++ b/3rd/cjson/src/cJSONw.cpp
@@ -37,7 +37,6 @@ static cJSON* convert_python_object_to_cjson(PyVar obj, VM* vm){
         default: break;
     }
     vm->TypeError(_S("unrecognized type ", _type_name(vm, obj_t).escape()));
-    PK_UNREACHABLE()
 }
 
 
diff --git a/src/array2d.cpp b/src/array2d.cpp
index cff9919a..41cd2c91 100644
--- a/src/array2d.cpp
+++ b/src/array2d.cpp
@@ -135,7 +135,6 @@ struct Array2d{
                 return new_array_obj;
             }
             vm->TypeError("expected `tuple[int, int]` or `tuple[slice, slice]` as index");
-            PK_UNREACHABLE();
         });
 
         vm->bind__setitem__(PK_OBJ_GET(Type, type), [](VM* vm, PyVar _0, PyVar _1, PyVar _2){
diff --git a/src/expr.cpp b/src/expr.cpp
index 25d8c546..88f61be0 100644
--- a/src/expr.cpp
+++ b/src/expr.cpp
@@ -141,7 +141,6 @@ namespace pkpy{
                 return index;
             }
         }
-        PK_UNREACHABLE()
     }
 
     int CodeEmitContext::add_func_decl(FuncDecl_ decl){
diff --git a/src/pocketpy.cpp b/src/pocketpy.cpp
index 0a0f2080..1b696cfb 100644
--- a/src/pocketpy.cpp
+++ b/src/pocketpy.cpp
@@ -24,7 +24,6 @@ PyVar PyArrayGetItem(VM* vm, PyVar _0, PyVar _1){
         return VAR(T(std::move(new_list)));
     }
     vm->TypeError("indices must be integers or slices");
-    PK_UNREACHABLE()
 }
 
 void __init_builtins(VM* _vm) {
@@ -1317,7 +1316,6 @@ void __init_builtins(VM* _vm) {
             vm->TypeError("dict() takes a dictionary or a list of tuples");
         }
         vm->TypeError("dict() takes at most 1 argument");
-        PK_UNREACHABLE()
     });
 
     _vm->bind__len__(VM::tp_dict, [](VM* vm, PyVar _0) {
diff --git a/src/vm.cpp b/src/vm.cpp
index 6e28c794..146d5572 100644
--- a/src/vm.cpp
+++ b/src/vm.cpp
@@ -133,7 +133,6 @@ namespace pkpy{
             return ArgsView(tuple.begin(), tuple.end());
         }
         TypeError(_S("expected list or tuple, got ", _type_name(this, _tp(obj)).escape()));
-        PK_UNREACHABLE();
     }
 
     void VM::set_main_argv(int argc, char** argv){
@@ -550,7 +549,6 @@ i64 VM::py_hash(PyVar obj){
     }
     if(has_custom_eq){
         TypeError(_S("unhashable type: ", ti->name.escape()));
-        PK_UNREACHABLE()
     }else{
         return obj.hash();
     }
@@ -1182,7 +1180,6 @@ PyVar VM::vectorcall(int ARGC, int KWARGC, bool op_call){
         return vectorcall(ARGC, KWARGC, op_call);
     }
     TypeError(_type_name(vm, callable_t).escape() + " object is not callable");
-    PK_UNREACHABLE()
 }
 
 void VM::delattr(PyVar _0, StrName _name){
@@ -1714,7 +1711,6 @@ void VM::__breakpoint(){
         }
         if(line == "q" || line == "quit") {
             vm->RuntimeError("pdb quit");
-            PK_UNREACHABLE()
         }
         if(line == "n" || line == "next"){
             vm->_next_breakpoint = NextBreakpoint(vm->callstack.size(), frame_0->curr_lineno(), false);