--- Python/ast.c
+++ Python/ast.c
@@ -1667,7 +1667,7 @@ ast_for_trailer(struct compiling *c, const node *n, expr_ty left_expr)
         if (!attr_id)
             return NULL;
         return Attribute(left_expr, attr_id, Load,
-                         LINENO(n), n->n_col_offset, c->c_arena);
+                         LINENO(CHILD(n, 1)), CHILD(n, 1)->n_col_offset, c->c_arena);
     }
     else {
         REQ(CHILD(n, 0), LSQB);
@@ -1794,8 +1794,6 @@ ast_for_power(struct compiling *c, const node *n)
         tmp = ast_for_trailer(c, ch, e);
         if (!tmp)
             return NULL;
-        tmp->lineno = e->lineno;
-        tmp->col_offset = e->col_offset;
         e = tmp;
     }
     if (TYPE(CHILD(n, NCH(n) - 1)) == factor) {