diff --git a/src/append.rs b/src/append.rs
index 7a6c01d..415cf05 100644
--- a/src/append.rs
+++ b/src/append.rs
@@ -14,7 +14,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-
+/*
 use crate::func::{FTable, Function, Args, Operation};
 use crate::vars::{VTable};
 use crate::segment::{Ctr, Ast, circuit, list_idx, list_append, new_ast};
@@ -65,4 +65,4 @@ pub fn get_append() -> Function {
             }
         )
     };
-}
+}*/
diff --git a/src/bin/main.rs b/src/bin/main.rs
index 908da89..d2a5faa 100644
--- a/src/bin/main.rs
+++ b/src/bin/main.rs
@@ -14,7 +14,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#![feature(type_alias_impl_trait)]
 
 use rustyline::error::ReadlineError;
 use rustyline::Editor;
diff --git a/src/config.rs b/src/config.rs
index ec066de..1a0a67e 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -16,7 +16,7 @@
  */
 
 use crate::vars::{VTable, define};
-use crate::func::{FTable, Args, Function, Operation, func_declare};
+use crate::func::{FTable, Args, Function, Operation, InternalOperation, func_declare};
 use crate::segment::{Ast, Ctr};
 use crate::lex::lex;
 use crate::eval::eval;
@@ -25,6 +25,14 @@ use std::rc::Rc;
 use std::cell::RefCell;
 use std::fs;
 
+/*
+fn get_prompt_default() -> InternalOperation {
+    |_: Ast, _: Rc<RefCell<VTable>>, _: Rc<RefCell<FTable>>| -> Ctr {
+        print!("λ ");
+        return Ctr::None;
+    }
+}*/
+
 pub fn configure(filename: String, vars: Rc<RefCell<VTable>>, mut funcs: Rc<RefCell<FTable>>) {
     define(vars.clone(), String::from("CFG_RELISH_POSIX"), Rc::new(Ctr::String(String::from("0"))));
     define(vars.clone(), String::from("CFG_RELISH_ENV"), Rc::new(Ctr::String(String::from("1"))));
@@ -34,18 +42,14 @@ pub fn configure(filename: String, vars: Rc<RefCell<VTable>>, mut funcs: Rc<RefC
         Err(s) => println!("{}", s)
     }
 
+    /*
     func_declare(funcs.clone(), Rc::new(RefCell::new(Function{
         name: String::from("CFG_RELISH_PROMPT"),
         loose_syms: false,
         eval_lazy: false,
         args: Args::Lazy(0),
-        function: Operation::Internal(
-            |_: Ast, _: Rc<RefCell<VTable>>, _: Rc<RefCell<FTable>>| -> Ctr {
-                print!("λ ");
-                return Ctr::None;
-            }
-        )
-    })));
+        function: Operation::Internal(get_prompt_default())
+    })));*/
 
     match fs::read_to_string(filename) {
         Err(s) => {
diff --git a/src/lib.rs b/src/lib.rs
index f1b6570..8afda30 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -39,8 +39,8 @@ pub mod ast {
 
 pub mod stdlib {
     pub use crate::stl::{get_stdlib};
-    pub use crate::str::{get_echo, get_concat};
-    pub use crate::append::{get_append};
+//    pub use crate::str::{get_echo, get_concat};
+//    pub use crate::append::{get_append};
     pub use crate::vars::{get_export};
 }
 
diff --git a/src/stl.rs b/src/stl.rs
index b03eb9d..64450eb 100644
--- a/src/stl.rs
+++ b/src/stl.rs
@@ -16,8 +16,8 @@
  */
 
 use crate::segment::{Ctr};
-use crate::str::{get_echo, get_concat};
-use crate::append::get_append;
+//use crate::str::{get_echo, get_concat};
+//use crate::append::get_append;
 use crate::func::{FTable, func_declare};
 use crate::vars::{VTable, get_export};
 use std::rc::Rc;
@@ -25,7 +25,7 @@ use std::cell::RefCell;
 
 pub fn get_stdlib(conf: Rc<RefCell<VTable>>) -> Result<Rc<RefCell<FTable>>, String> {
     let ft = Rc::new(RefCell::new(FTable::new()));
-    if let Some(s) = func_declare(ft.clone(), Rc::new(RefCell::new(get_echo()))) {
+ /*   if let Some(s) = func_declare(ft.clone(), Rc::new(RefCell::new(get_echo()))) {
         return Err(s)
     }
     if let Some(s) = func_declare(ft.clone(), Rc::new(RefCell::new(get_append()))) {
@@ -33,7 +33,7 @@ pub fn get_stdlib(conf: Rc<RefCell<VTable>>) -> Result<Rc<RefCell<FTable>>, Stri
     }
     if let Some(s) = func_declare(ft.clone(), Rc::new(RefCell::new(get_concat()))) {
         return Err(s)
-    }
+    }*/
 
     let mut cfg_env = true;
     match conf.borrow().get(&String::from("CFG_RELISH_ENV")) {
diff --git a/src/str.rs b/src/str.rs
index cf0bb09..19eb6bf 100644
--- a/src/str.rs
+++ b/src/str.rs
@@ -14,7 +14,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-
+/*
 use crate::func::{FTable, Function, Args, Operation};
 use crate::vars::{VTable};
 use crate::segment::{Ctr, Ast, circuit, ast_as_string};
@@ -83,3 +83,4 @@ pub fn get_concat() -> Function {
         )
     };
 }
+*/
diff --git a/src/vars.rs b/src/vars.rs
index 0500ee3..cc5d8dd 100644
--- a/src/vars.rs
+++ b/src/vars.rs
@@ -50,7 +50,7 @@ pub fn get_export(env_cfg: bool) -> Function {
 }
 
 fn get_export_callback(env_cfg: bool) -> InternalOperation {
-    |a: Ast, b: Rc<RefCell<VTable>>, c: Rc<RefCell<FTable>>| -> Ctr {
+    InternalOperation(|a: Ast, b: Rc<RefCell<VTable>>, c: Rc<RefCell<FTable>>| -> Ctr {
         let inner = a.borrow_mut();
         match &inner.car {
             Ctr::Symbol(identifier) => {
@@ -98,5 +98,5 @@ fn get_export_callback(env_cfg: bool) -> InternalOperation {
         }
 
         return Ctr::None;
-    }
+    })
 }