diff --git a/src/commands.rs b/src/commands.rs
index e7550af4e6..4f4fb02edd 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -8,5 +8,4 @@ crate mod select;
 crate mod take;
 crate mod to_array;
 
-crate use command::Command;
 crate use to_array::to_array;
diff --git a/src/commands/args.rs b/src/commands/args.rs
index 671567bb12..9c2d1f6959 100644
--- a/src/commands/args.rs
+++ b/src/commands/args.rs
@@ -1,9 +1,6 @@
 use crate::object::Value;
-use crate::ShellError;
-use derive_new::new;
-use std::cell::Cell;
-use std::collections::VecDeque;
 
+#[allow(unused)]
 #[derive(Debug)]
 pub enum LogLevel {
     Trace,
@@ -14,81 +11,9 @@ pub enum LogLevel {
     Fatal,
 }
 
+#[allow(unused)]
 #[derive(Debug)]
 pub struct LogItem {
     level: LogLevel,
     value: Value,
 }
-
-#[derive(Debug, Default)]
-pub struct ObjectStream<T> {
-    queue: VecDeque<T>,
-}
-
-impl<T> ObjectStream<T> {
-    crate fn empty() -> ObjectStream<T> {
-        ObjectStream {
-            queue: VecDeque::new(),
-        }
-    }
-
-    crate fn iter(&self) -> impl Iterator<Item = &T> {
-        self.queue.iter()
-    }
-
-    crate fn take(&mut self) -> Option<T> {
-        self.queue.pop_front()
-    }
-
-    crate fn add(&mut self, value: T) {
-        self.queue.push_back(value);
-    }
-}
-
-#[derive(new)]
-pub struct Streams {
-    #[new(value = "ObjectStream::empty()")]
-    success: ObjectStream<Value>,
-
-    #[new(value = "ObjectStream::empty()")]
-    errors: ObjectStream<ShellError>,
-
-    #[new(value = "ObjectStream::empty()")]
-    log: ObjectStream<LogItem>,
-}
-
-impl std::fmt::Debug for Streams {
-    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
-        write!(f, "Streams")
-    }
-}
-
-impl Streams {
-    crate fn read(&mut self) -> Option<Value> {
-        self.success.take()
-    }
-
-    crate fn add(&mut self, value: Value) {
-        self.success.add(value);
-    }
-
-    // fn take_stream(&mut self, stream: &mut ObjectStream) -> ObjectStream {
-    //     let mut new_stream = Cell::new(ObjectStream::default());
-    //     new_stream.swap()
-    //     std::mem::swap(stream, &mut new_stream);
-    //     new_stream
-    // }
-}
-
-#[derive(Debug, new)]
-pub struct Args {
-    argv: Vec<Value>,
-    #[new(value = "Streams::new()")]
-    streams: Streams,
-}
-
-impl Args {
-    crate fn first(&self) -> Option<&Value> {
-        self.argv.first()
-    }
-}
diff --git a/src/commands/cd.rs b/src/commands/cd.rs
index faab467ed5..d7104f388c 100644
--- a/src/commands/cd.rs
+++ b/src/commands/cd.rs
@@ -1,11 +1,8 @@
 use crate::errors::ShellError;
-use crate::object::process::Process;
-use crate::object::{dir_entry_dict, Value};
+use crate::object::Value;
 use crate::prelude::*;
-use crate::Args;
 use derive_new::new;
-use std::path::{Path, PathBuf};
-use sysinfo::SystemExt;
+use std::path::PathBuf;
 
 #[derive(new)]
 pub struct CdBlueprint;
@@ -14,7 +11,7 @@ impl crate::CommandBlueprint for CdBlueprint {
     fn create(
         &self,
         args: Vec<Value>,
-        host: &dyn Host,
+        _host: &dyn Host,
         env: &mut Environment,
     ) -> Result<Box<dyn Command>, ShellError> {
         let target = match args.first() {
@@ -37,7 +34,7 @@ pub struct Cd {
 }
 
 impl crate::Command for Cd {
-    fn run(&mut self, stream: VecDeque<Value>) -> Result<VecDeque<ReturnValue>, ShellError> {
+    fn run(&mut self, _stream: VecDeque<Value>) -> Result<VecDeque<ReturnValue>, ShellError> {
         let mut stream = VecDeque::new();
         let path = dunce::canonicalize(self.cwd.join(&self.target).as_path())?;
         stream.push_back(ReturnValue::change_cwd(path));
diff --git a/src/commands/ls.rs b/src/commands/ls.rs
index 8cc59a5f3b..29f089cd6f 100644
--- a/src/commands/ls.rs
+++ b/src/commands/ls.rs
@@ -1,12 +1,9 @@
 use crate::errors::ShellError;
-use crate::object::process::Process;
 use crate::object::{dir_entry_dict, Value};
 use crate::prelude::*;
-use crate::Args;
 use crate::Command;
 use derive_new::new;
 use std::path::PathBuf;
-use sysinfo::SystemExt;
 
 #[derive(new)]
 pub struct LsBlueprint;
@@ -14,8 +11,8 @@ pub struct LsBlueprint;
 impl crate::CommandBlueprint for LsBlueprint {
     fn create(
         &self,
-        args: Vec<Value>,
-        host: &dyn crate::Host,
+        _args: Vec<Value>,
+        _host: &dyn crate::Host,
         env: &mut crate::Environment,
     ) -> Result<Box<dyn Command>, ShellError> {
         Ok(Box::new(Ls {
@@ -30,9 +27,9 @@ pub struct Ls {
 }
 
 impl crate::Command for Ls {
-    fn run(&mut self, stream: VecDeque<Value>) -> Result<VecDeque<ReturnValue>, ShellError> {
+    fn run(&mut self, _stream: VecDeque<Value>) -> Result<VecDeque<ReturnValue>, ShellError> {
         let entries =
-            std::fs::read_dir(&self.cwd).map_err((|e| ShellError::string(format!("{:?}", e))))?;
+            std::fs::read_dir(&self.cwd).map_err(|e| ShellError::string(format!("{:?}", e)))?;
 
         let mut shell_entries = VecDeque::new();
 
diff --git a/src/commands/ps.rs b/src/commands/ps.rs
index 0504aefaee..cb4ea3b6aa 100644
--- a/src/commands/ps.rs
+++ b/src/commands/ps.rs
@@ -4,8 +4,6 @@ use crate::object::Value;
 use crate::prelude::*;
 use crate::Command;
 use derive_new::new;
-use std::cell::RefCell;
-use std::rc::Rc;
 use sysinfo::SystemExt;
 
 #[derive(new)]
@@ -14,9 +12,9 @@ pub struct PsBlueprint;
 impl crate::CommandBlueprint for PsBlueprint {
     fn create(
         &self,
-        args: Vec<Value>,
-        host: &dyn crate::Host,
-        env: &mut crate::Environment,
+        _args: Vec<Value>,
+        _host: &dyn crate::Host,
+        _env: &mut crate::Environment,
     ) -> Result<Box<dyn Command>, ShellError> {
         Ok(Box::new(Ps::new()))
     }
@@ -26,7 +24,7 @@ impl crate::CommandBlueprint for PsBlueprint {
 pub struct Ps;
 
 impl crate::Command for Ps {
-    fn run(&mut self, stream: VecDeque<Value>) -> Result<VecDeque<ReturnValue>, ShellError> {
+    fn run(&mut self, _stream: VecDeque<Value>) -> Result<VecDeque<ReturnValue>, ShellError> {
         let mut system = sysinfo::System::new();
         system.refresh_all();
 
diff --git a/src/commands/reject.rs b/src/commands/reject.rs
index fa394f93d9..057ccd5cfb 100644
--- a/src/commands/reject.rs
+++ b/src/commands/reject.rs
@@ -1,12 +1,8 @@
 use crate::errors::ShellError;
 use crate::object::base::reject;
-use crate::object::process::Process;
-use crate::object::{dir_entry_dict, Value};
+use crate::object::Value;
 use crate::prelude::*;
-use crate::Args;
 use derive_new::new;
-use std::path::{Path, PathBuf};
-use sysinfo::SystemExt;
 
 #[derive(new)]
 pub struct RejectBlueprint;
@@ -15,8 +11,8 @@ impl crate::CommandBlueprint for RejectBlueprint {
     fn create(
         &self,
         args: Vec<Value>,
-        host: &dyn Host,
-        env: &mut Environment,
+        _host: &dyn Host,
+        _env: &mut Environment,
     ) -> Result<Box<dyn Command>, ShellError> {
         if args.is_empty() {
             return Err(ShellError::string("take requires an integer"));
diff --git a/src/commands/select.rs b/src/commands/select.rs
index 37a2b2b0a5..8f890d8270 100644
--- a/src/commands/select.rs
+++ b/src/commands/select.rs
@@ -1,12 +1,8 @@
 use crate::errors::ShellError;
 use crate::object::base::select;
-use crate::object::process::Process;
-use crate::object::{dir_entry_dict, Value};
+use crate::object::Value;
 use crate::prelude::*;
-use crate::Args;
 use derive_new::new;
-use std::path::{Path, PathBuf};
-use sysinfo::SystemExt;
 
 #[derive(new)]
 pub struct SelectBlueprint;
@@ -15,8 +11,8 @@ impl crate::CommandBlueprint for SelectBlueprint {
     fn create(
         &self,
         args: Vec<Value>,
-        host: &dyn Host,
-        env: &mut Environment,
+        _host: &dyn Host,
+        _env: &mut Environment,
     ) -> Result<Box<dyn Command>, ShellError> {
         if args.is_empty() {
             return Err(ShellError::string("take requires an integer"));
diff --git a/src/commands/take.rs b/src/commands/take.rs
index 014f73ce53..64a95486e5 100644
--- a/src/commands/take.rs
+++ b/src/commands/take.rs
@@ -1,11 +1,7 @@
 use crate::errors::ShellError;
-use crate::object::process::Process;
-use crate::object::{dir_entry_dict, Value};
+use crate::object::Value;
 use crate::prelude::*;
-use crate::Args;
 use derive_new::new;
-use std::path::{Path, PathBuf};
-use sysinfo::SystemExt;
 
 #[derive(new)]
 pub struct TakeBlueprint;
@@ -14,8 +10,8 @@ impl crate::CommandBlueprint for TakeBlueprint {
     fn create(
         &self,
         args: Vec<Value>,
-        host: &dyn Host,
-        env: &mut Environment,
+        _host: &dyn Host,
+        _env: &mut Environment,
     ) -> Result<Box<dyn Command>, ShellError> {
         if args.is_empty() {
             return Err(ShellError::string("take requires an integer"));
diff --git a/src/commands/to_array.rs b/src/commands/to_array.rs
index 852af14a9a..feb01e62f5 100644
--- a/src/commands/to_array.rs
+++ b/src/commands/to_array.rs
@@ -1,11 +1,7 @@
 use crate::errors::ShellError;
-use crate::object::process::Process;
-use crate::object::{dir_entry_dict, Value};
+use crate::object::Value;
 use crate::prelude::*;
-use crate::Args;
 use derive_new::new;
-use std::path::{Path, PathBuf};
-use sysinfo::SystemExt;
 
 #[derive(new)]
 pub struct ToArrayBlueprint;
@@ -13,9 +9,9 @@ pub struct ToArrayBlueprint;
 impl crate::CommandBlueprint for ToArrayBlueprint {
     fn create(
         &self,
-        args: Vec<Value>,
-        host: &dyn Host,
-        env: &mut Environment,
+        _args: Vec<Value>,
+        _host: &dyn Host,
+        _env: &mut Environment,
     ) -> Result<Box<dyn Command>, ShellError> {
         Ok(Box::new(ToArray))
     }
diff --git a/src/context.rs b/src/context.rs
index 9bafe5c0ee..b420b05d55 100644
--- a/src/context.rs
+++ b/src/context.rs
@@ -1,11 +1,8 @@
 use crate::prelude::*;
-use std::collections::BTreeMap;
 use std::error::Error;
 
-pub type Commands = BTreeMap<String, Box<dyn crate::CommandBlueprint>>;
-
 pub struct Context {
-    commands: BTreeMap<String, Box<dyn crate::CommandBlueprint>>,
+    commands: indexmap::IndexMap<String, Box<dyn crate::CommandBlueprint>>,
     crate host: Box<dyn crate::Host>,
     crate env: Environment,
 }
@@ -13,7 +10,7 @@ pub struct Context {
 impl Context {
     crate fn basic() -> Result<Context, Box<Error>> {
         Ok(Context {
-            commands: BTreeMap::new(),
+            commands: indexmap::IndexMap::new(),
             host: Box::new(crate::env::host::BasicHost),
             env: crate::Environment::basic()?,
         })
@@ -25,10 +22,6 @@ impl Context {
         }
     }
 
-    crate fn get_command(&mut self, name: &str) -> Option<&dyn crate::CommandBlueprint> {
-        self.commands.get(name).map(|c| &**c)
-    }
-
     crate fn has_command(&mut self, name: &str) -> bool {
         self.commands.contains_key(name)
     }
diff --git a/src/errors.rs b/src/errors.rs
index a8ce1de7f2..b4cc52023d 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -1,4 +1,6 @@
+#[allow(unused)]
 use crate::prelude::*;
+
 use crate::Value;
 use derive_new::new;
 
diff --git a/src/format.rs b/src/format.rs
index a946833bc0..10c5ff04ca 100644
--- a/src/format.rs
+++ b/src/format.rs
@@ -3,20 +3,26 @@ crate mod generic;
 crate mod list;
 crate mod table;
 
-use crate::object::Value;
 use crate::prelude::*;
 
+use crate::Context;
+use std::sync::{Arc, Mutex};
+
 crate use entries::{EntriesListView, EntriesView};
 crate use generic::GenericView;
-crate use list::ListView;
 crate use table::TableView;
 
 crate trait RenderView {
     fn render_view(&self, host: &dyn Host) -> Vec<String>;
 }
 
-crate fn print_rendered(lines: &[String], host: &mut dyn Host) {
+fn print_rendered(lines: &[String], host: &mut dyn Host) {
     for line in lines {
         host.stdout(line);
     }
 }
+
+crate fn print_view(view: &impl RenderView, context: Arc<Mutex<Context>>) {
+    let mut ctx = context.lock().unwrap();
+    crate::format::print_rendered(&view.render_view(&ctx.host), &mut ctx.host);
+}
diff --git a/src/format/entries.rs b/src/format/entries.rs
index 1f6e22379f..5b7c87e83d 100644
--- a/src/format/entries.rs
+++ b/src/format/entries.rs
@@ -32,7 +32,7 @@ impl EntriesView {
 }
 
 impl RenderView for EntriesView {
-    fn render_view(&self, host: &dyn Host) -> Vec<String> {
+    fn render_view(&self, _host: &dyn Host) -> Vec<String> {
         if self.entries.len() == 0 {
             return vec![];
         }
diff --git a/src/format/list.rs b/src/format/list.rs
index 53fe04ce85..ad423c0ad7 100644
--- a/src/format/list.rs
+++ b/src/format/list.rs
@@ -3,6 +3,7 @@ use crate::Host;
 use derive_new::new;
 
 // A list is printed one line at a time with an optional separator between groups
+#[allow(unused)]
 #[derive(new)]
 pub struct ListView {
     list: Vec<Vec<String>>,
@@ -10,7 +11,7 @@ pub struct ListView {
 }
 
 impl RenderView for ListView {
-    fn render_view(&self, host: &dyn Host) -> Vec<String> {
+    fn render_view(&self, _host: &dyn Host) -> Vec<String> {
         let mut out = vec![];
 
         for output in &self.list {
diff --git a/src/format/table.rs b/src/format/table.rs
index c388f3545b..02d463a293 100644
--- a/src/format/table.rs
+++ b/src/format/table.rs
@@ -43,7 +43,7 @@ impl TableView {
 }
 
 impl RenderView for TableView {
-    fn render_view(&self, host: &dyn Host) -> Vec<String> {
+    fn render_view(&self, _host: &dyn Host) -> Vec<String> {
         if self.entries.len() == 0 {
             return vec![];
         }
diff --git a/src/main.rs b/src/main.rs
index bd9efcca1b..7c8316ce04 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,5 @@
 #![feature(crate_visibility_modifier)]
 #![feature(in_band_lifetimes)]
-#![allow(unused)]
 
 mod commands;
 mod context;
@@ -11,28 +10,21 @@ mod object;
 mod parser;
 mod prelude;
 
-crate use crate::commands::args::{Args, Streams};
 use crate::commands::command::ReturnValue;
 crate use crate::commands::command::{Command, CommandAction, CommandBlueprint};
 use crate::context::Context;
 crate use crate::env::{Environment, Host};
 crate use crate::errors::ShellError;
-crate use crate::format::{EntriesListView, GenericView, RenderView};
+crate use crate::format::{EntriesListView, GenericView};
 use crate::object::Value;
 
 use ansi_term::Color;
-use conch_parser::lexer::Lexer;
-use conch_parser::parse::DefaultParser;
 use rustyline::error::ReadlineError;
 use rustyline::Editor;
-use std::cell::RefCell;
-use std::collections::BTreeMap;
 use std::collections::VecDeque;
 use std::error::Error;
-use std::rc::Rc;
 use std::sync::{Arc, Mutex};
 use subprocess::Exec;
-use sysinfo::{self, SystemExt};
 
 #[derive(Debug)]
 pub enum MaybeOwned<'a, T> {
@@ -55,7 +47,7 @@ fn main() -> Result<(), Box<Error>> {
         println!("No previous history.");
     }
 
-    let mut context = Arc::new(Mutex::new(Context::basic()?));
+    let context = Arc::new(Mutex::new(Context::basic()?));
 
     {
         use crate::commands::*;
@@ -88,8 +80,6 @@ fn main() -> Result<(), Box<Error>> {
 
                 let mut input = VecDeque::new();
 
-                let last = parsed.len() - 1;
-
                 for item in parsed {
                     input = process_command(
                         crate::parser::print_items(&item),
@@ -135,17 +125,14 @@ fn process_command(
     let command = &parsed[0].name();
     let arg_list = parsed[1..].iter().map(|i| i.as_value()).collect();
 
-    let streams = Streams::new();
-
     if command == &"format" {
         format(input, context);
 
         Ok(VecDeque::new())
     } else if command == &"format-list" {
         let view = EntriesListView::from_stream(input);
-        let mut ctx = context.lock().unwrap();
 
-        crate::format::print_rendered(&view.render_view(&ctx.host), &mut ctx.host);
+        crate::format::print_view(&view, context.clone());
 
         Ok(VecDeque::new())
     } else {
@@ -155,7 +142,7 @@ fn process_command(
             true => {
                 let mut instance = ctx.create_command(command, arg_list)?;
 
-                let mut result = instance.run(input)?;
+                let result = instance.run(input)?;
                 let mut next = VecDeque::new();
 
                 for v in result {
@@ -180,12 +167,10 @@ fn process_command(
 }
 
 fn format(input: VecDeque<Value>, context: Arc<Mutex<Context>>) {
-    let mut ctx = context.lock().unwrap();
-
     let last = input.len() - 1;
     for (i, item) in input.iter().enumerate() {
         let view = GenericView::new(item);
-        crate::format::print_rendered(&view.render_view(&ctx.host), &mut ctx.host);
+        crate::format::print_view(&view, context.clone());
 
         if last != i {
             println!("");
diff --git a/src/object.rs b/src/object.rs
index be6337be4d..fc01dc2bca 100644
--- a/src/object.rs
+++ b/src/object.rs
@@ -6,6 +6,5 @@ crate mod process;
 crate mod types;
 
 crate use base::{Primitive, Value};
-crate use desc::{DataDescriptor, DataDescriptorInstance};
 crate use dict::Dictionary;
 crate use files::dir_entry_dict;
diff --git a/src/object/base.rs b/src/object/base.rs
index 597f865fb6..676d35f291 100644
--- a/src/object/base.rs
+++ b/src/object/base.rs
@@ -1,16 +1,15 @@
 use crate::errors::ShellError;
-use crate::format::{EntriesView, GenericView};
 use crate::object::desc::DataDescriptor;
 use ansi_term::Color;
 use chrono::{DateTime, Utc};
 use chrono_humanize::Humanize;
-use std::fmt::Debug;
 use std::time::SystemTime;
 
 #[derive(Debug, Clone)]
 pub enum Primitive {
     Nothing,
     Int(i64),
+    #[allow(unused)]
     Float(f64),
     Bytes(u128),
     String(String),
@@ -43,7 +42,7 @@ impl Primitive {
                 (true, None) => format!("Yes"),
                 (false, None) => format!("No"),
                 (true, Some(s)) => format!("{}", s),
-                (false, Some(s)) => format!(""),
+                (false, Some(_)) => format!(""),
             },
             Primitive::Date(d) => format!("{}", d.humanize()),
         }
@@ -59,30 +58,21 @@ pub enum Value {
 }
 
 impl Value {
-    crate fn to_shell_string(&self) -> String {
-        match self {
-            Value::Primitive(p) => p.format(None),
-            Value::Object(o) => format!("[object Object]"),
-            Value::List(l) => format!("[list List]"),
-            Value::Error(e) => format!("{}", e),
-        }
-    }
-
     crate fn data_descriptors(&self) -> Vec<DataDescriptor> {
         match self {
-            Value::Primitive(p) => vec![],
+            Value::Primitive(_) => vec![],
             Value::Object(o) => o.data_descriptors(),
-            Value::List(l) => vec![],
-            Value::Error(e) => vec![],
+            Value::List(_) => vec![],
+            Value::Error(_) => vec![],
         }
     }
 
     crate fn get_data(&'a self, desc: &DataDescriptor) -> crate::MaybeOwned<'a, Value> {
         match self {
-            Value::Primitive(p) => crate::MaybeOwned::Owned(Value::nothing()),
+            Value::Primitive(_) => crate::MaybeOwned::Owned(Value::nothing()),
             Value::Object(o) => o.get_data(desc),
-            Value::List(l) => crate::MaybeOwned::Owned(Value::nothing()),
-            Value::Error(e) => crate::MaybeOwned::Owned(Value::nothing()),
+            Value::List(_) => crate::MaybeOwned::Owned(Value::nothing()),
+            Value::Error(_) => crate::MaybeOwned::Owned(Value::nothing()),
         }
     }
 
@@ -101,8 +91,8 @@ impl Value {
     crate fn format_leaf(&self, field_name: Option<&str>) -> String {
         match self {
             Value::Primitive(p) => p.format(field_name),
-            Value::Object(o) => format!("[object Object]"),
-            Value::List(l) => format!("[list List]"),
+            Value::Object(_) => format!("[object Object]"),
+            Value::List(_) => format!("[list List]"),
             Value::Error(e) => format!("{}", e),
         }
     }
@@ -142,6 +132,7 @@ impl Value {
         Value::Primitive(Primitive::Int(s.into()))
     }
 
+    #[allow(unused)]
     crate fn system_date(s: SystemTime) -> Value {
         Value::Primitive(Primitive::Date(s.into()))
     }
@@ -161,6 +152,7 @@ impl Value {
         Value::Primitive(Primitive::Nothing)
     }
 
+    #[allow(unused)]
     crate fn list(values: impl Into<Vec<Value>>) -> Value {
         Value::List(values.into())
     }
diff --git a/src/object/desc.rs b/src/object/desc.rs
index 0bce4103a6..21c11c874b 100644
--- a/src/object/desc.rs
+++ b/src/object/desc.rs
@@ -1,4 +1,4 @@
-use crate::object::types::{AnyShell, Type};
+use crate::object::types::Type;
 use derive_new::new;
 
 #[derive(new)]
@@ -14,18 +14,4 @@ impl PartialEq for DataDescriptor {
     }
 }
 
-impl DataDescriptor {
-    crate fn any(name: impl Into<String>) -> DataDescriptor {
-        DataDescriptor {
-            name: name.into(),
-            readonly: true,
-            ty: Box::new(AnyShell),
-        }
-    }
-}
-
-#[derive(new)]
-pub struct DataDescriptorInstance<'desc> {
-    desc: &'desc DataDescriptor,
-    value: crate::object::base::Value,
-}
+impl DataDescriptor {}
diff --git a/src/object/dict.rs b/src/object/dict.rs
index 98e315ca51..c79c08ecbc 100644
--- a/src/object/dict.rs
+++ b/src/object/dict.rs
@@ -1,11 +1,10 @@
+#[allow(unused)]
+use crate::prelude::*;
+
 use crate::object::desc::DataDescriptor;
 use crate::object::{Primitive, Value};
-use crate::prelude::*;
 use crate::MaybeOwned;
-use derive_new::new;
 use indexmap::IndexMap;
-use std::cell::RefCell;
-use std::rc::Rc;
 
 #[derive(Debug, Default)]
 pub struct Dictionary {
@@ -30,7 +29,7 @@ impl Dictionary {
     crate fn data_descriptors(&self) -> Vec<DataDescriptor> {
         self.entries
             .iter()
-            .map(|(name, value)| {
+            .map(|(name, _)| {
                 DataDescriptor::new(name.clone(), true, Box::new(crate::object::types::AnyShell))
             })
             .collect()
diff --git a/src/object/files.rs b/src/object/files.rs
index 45b4086b37..6c07079f73 100644
--- a/src/object/files.rs
+++ b/src/object/files.rs
@@ -1,11 +1,5 @@
 use crate::errors::ShellError;
-use crate::object::{DataDescriptor, Dictionary, Value};
-use crate::MaybeOwned;
-
-#[derive(Debug)]
-pub struct DirEntry {
-    dict: Dictionary,
-}
+use crate::object::{Dictionary, Value};
 
 #[derive(Debug)]
 pub enum FileType {
diff --git a/src/object/process.rs b/src/object/process.rs
index fe63ff5404..eeb8d00a78 100644
--- a/src/object/process.rs
+++ b/src/object/process.rs
@@ -1,16 +1,8 @@
-use crate::object::base::{Primitive, Value};
-use crate::object::desc::DataDescriptor;
+use crate::object::base::Value;
 use crate::object::dict::Dictionary;
-use crate::MaybeOwned;
-use derive_new::new;
 use itertools::join;
 use sysinfo::ProcessExt;
 
-#[derive(Debug)]
-pub struct Process {
-    dict: Dictionary,
-}
-
 crate fn process_dict(proc: &sysinfo::Process) -> Dictionary {
     let mut dict = Dictionary::default();
     dict.add("name", Value::string(proc.name()));
diff --git a/src/object/types.rs b/src/object/types.rs
index 8ff2678ec1..3673346661 100644
--- a/src/object/types.rs
+++ b/src/object/types.rs
@@ -1,4 +1,4 @@
-use std::any::{Any, TypeId};
+use std::any::Any;
 
 pub trait Type {
     fn as_any(&self) -> &dyn Any;
diff --git a/src/parser/completer.rs b/src/parser/completer.rs
index 09d3162ab7..8591475e6b 100644
--- a/src/parser/completer.rs
+++ b/src/parser/completer.rs
@@ -1,6 +1,7 @@
 use rustyline::{completion, Context};
 use std::collections::BTreeMap;
 
+#[allow(unused)]
 crate struct Completer {
     commands: BTreeMap<String, Box<dyn crate::CommandBlueprint>>,
 }
@@ -10,9 +11,9 @@ impl completion::Completer for Completer {
 
     fn complete(
         &self,
-        line: &str,
-        pos: usize,
-        ctx: &Context<'_>,
+        _line: &str,
+        _pos: usize,
+        _ctx: &Context<'_>,
     ) -> rustyline::Result<(usize, Vec<completion::Pair>)> {
         let pairs = self
             .commands
diff --git a/src/parser/parse.rs b/src/parser/parse.rs
index 75bddf88ee..b2c68a899a 100644
--- a/src/parser/parse.rs
+++ b/src/parser/parse.rs
@@ -5,7 +5,7 @@ use nom::character::complete::one_of;
 use nom::multi::separated_list;
 use nom::sequence::{preceded, terminated};
 use nom::IResult;
-use nom::{complete, named, separated_list, ws};
+use nom::{complete, named, ws};
 use std::str::FromStr;
 
 #[derive(Debug, Clone)]
@@ -26,8 +26,6 @@ impl Item {
 }
 
 crate fn print_items(items: &[Item]) -> String {
-    let mut out = String::new();
-
     let formatted = items.iter().map(|item| match item {
         Item::Bare(s) => format!("{}", s),
         Item::Quoted(s) => format!("{:?}", s),
@@ -42,7 +40,7 @@ impl Item {
         match self {
             Item::Quoted(s) => s,
             Item::Bare(s) => s,
-            Item::Int(i) => unimplemented!(),
+            Item::Int(_) => unimplemented!(),
         }
     }
 }
diff --git a/src/prelude.rs b/src/prelude.rs
index ec0a5a1533..f115ad8d87 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -1,7 +1,5 @@
-crate use crate::commands::args::{Args, Streams};
-crate use crate::commands::command::{Command, CommandAction, CommandBlueprint, ReturnValue};
+crate use crate::commands::command::{Command, ReturnValue};
 crate use crate::env::{Environment, Host};
 crate use crate::errors::ShellError;
-crate use crate::format::RenderView;
 crate use crate::object::{Primitive, Value};
 crate use std::collections::VecDeque;