diff --git a/src/core.rs b/src/core.rs
index ba0aabde..ff22c778 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -6,7 +6,7 @@ pub mod jobtable;
 
 use std::collections::HashMap;
 use std::os::fd::RawFd;
-use std::{io, process, env, path};
+use std::{process, env, path};
 use nix::{fcntl, unistd};
 use nix::sys::{signal, wait};
 use nix::sys::signal::{Signal, SigHandler};
@@ -187,26 +187,4 @@ impl ShellCore {
         self.set_subshell_vars();
         self.job_table.clear();
     }
-
-    pub fn get_current_directory(&mut self) -> &Option<path::PathBuf> {
-        if self.tcwd.is_none() {
-            match env::current_dir() {
-                Ok(path) => {
-                    self.tcwd = Some(path);
-                },
-                Err(err) => {
-                    eprintln!("pwd: error retrieving current directory: {:?}", err);
-                }
-            }
-        }
-        &self.tcwd
-    }
-
-    pub fn set_current_directory(&mut self, path: &path::PathBuf) -> Result<(), io::Error> {
-        let res = env::set_current_dir(path);
-        if res.is_ok() {
-            self.tcwd = Some(path.clone());
-        }
-        res
-    }
 }
diff --git a/src/core/builtins.rs b/src/core/builtins.rs
index b5ee3bd7..3e08b9ad 100644
--- a/src/core/builtins.rs
+++ b/src/core/builtins.rs
@@ -7,6 +7,7 @@ mod pwd;
 mod utils;
 
 use crate::ShellCore;
+use std::{io, env, path};
 
 impl ShellCore {
     pub fn set_builtins(&mut self) {
@@ -17,6 +18,28 @@ impl ShellCore {
         self.builtins.insert("pwd".to_string(), pwd::pwd);
         self.builtins.insert("true".to_string(), true_);
     }
+
+    pub fn get_current_directory(&mut self) -> &Option<path::PathBuf> {
+        if self.tcwd.is_none() {
+            match env::current_dir() {
+                Ok(path) => {
+                    self.tcwd = Some(path);
+                },
+                Err(err) => {
+                    eprintln!("pwd: error retrieving current directory: {:?}", err);
+                }
+            }
+        }
+        &self.tcwd
+    }
+
+    pub fn set_current_directory(&mut self, path: &path::PathBuf) -> Result<(), io::Error> {
+        let res = env::set_current_dir(path);
+        if res.is_ok() {
+            self.tcwd = Some(path.clone());
+        }
+        res
+    }
 }
 
 pub fn exit(core: &mut ShellCore, args: &mut Vec<String>) -> i32 {