diff --git a/base_data_structures.cpp b/base_data_structures.cpp
index bd53b41..58d9748 100644
--- a/base_data_structures.cpp
+++ b/base_data_structures.cpp
@@ -474,11 +474,6 @@ void list_free_node(List<T> *list, List_Node<T> *node) {
     DLL_STACK_ADD(list->first_free, node);
 }
 
-template <class T>
-void clear(List<T> *list) {
-    memory_zero(list, sizeof(List<T>));
-}
-
 template <class T>
 int length(List<T> *list) {
     int result = 0;
diff --git a/core_typechecking.cpp b/core_typechecking.cpp
index af00248..15858f6 100644
--- a/core_typechecking.cpp
+++ b/core_typechecking.cpp
@@ -938,6 +938,7 @@ try_resolving_lambda_scope(Operand *op, Ast_Lambda *lambda, Ast_Type *lambda_typ
         }
 
         *op = operand_lambda(lambda_type);
+        free_all_nodes(&lambda->scope->decls);
     }
     else if (is_flag_set(lambda->flags, AST_FOREIGN)) {
         *op = operand_lambda(lambda_type);
@@ -1709,11 +1710,11 @@ resolve_decl(Ast_Decl *ast) {
 
                 node->unique_name = node->name;
                 if (!is_flag_set(node->expr->flags, AST_FOREIGN)) {
-                    node->unique_name = pctx->intern(string_fmt(scratch.arena, "%Q%Q%d", pctx->symbol_prefix, node->name, pctx->lambda_ids++));
+                    node->unique_name = pctx->internf("%Q%Q%d", pctx->symbol_prefix, node->name, pctx->lambda_ids++);
                 }
 
                 if (is_flag_set(node->flags, AST_OPERATOR_OVERLOAD)) {
-                    node->unique_name = pctx->intern(string_fmt(scratch.arena, "%QOPERATOR_%Q%d", pctx->symbol_prefix, node->overload_op_info->name, pctx->lambda_ids++));
+                    node->unique_name = pctx->internf("%QOPERATOR_%Q%d", pctx->symbol_prefix, node->overload_op_info->name, pctx->lambda_ids++);
                 }
 
                 BREAK();