diff --git a/src/cli.rs b/src/cli.rs
index 34a208e08c..a5a2aebdf7 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -323,12 +323,6 @@ pub async fn cli() -> Result<(), Box<dyn Error>> {
             LineResult::Break => {
                 break;
             }
-
-            LineResult::FatalError(_, err) => {
-                context.with_host(|host| {
-                    host.stdout(&format!("A surprising fatal error occurred.\n{:?}", err))
-                });
-            }
         }
         ctrlcbreak = false;
     }
@@ -344,9 +338,6 @@ enum LineResult {
     Error(String, ShellError),
     CtrlC,
     Break,
-
-    #[allow(unused)]
-    FatalError(String, ShellError),
 }
 
 async fn process_line(readline: Result<String, ReadlineError>, ctx: &mut Context) -> LineResult {
diff --git a/src/commands/args.rs b/src/commands/args.rs
index 9c2d1f6959..c08a075dd2 100644
--- a/src/commands/args.rs
+++ b/src/commands/args.rs
@@ -1,17 +1,8 @@
 use crate::object::Value;
 
-#[allow(unused)]
 #[derive(Debug)]
-pub enum LogLevel {
-    Trace,
-    Debug,
-    Info,
-    Warn,
-    Error,
-    Fatal,
-}
+pub enum LogLevel {}
 
-#[allow(unused)]
 #[derive(Debug)]
 pub struct LogItem {
     level: LogLevel,
diff --git a/src/commands/classified.rs b/src/commands/classified.rs
index 6babb6c9ce..622d92e77f 100644
--- a/src/commands/classified.rs
+++ b/src/commands/classified.rs
@@ -84,17 +84,6 @@ pub(crate) enum ClassifiedCommand {
     External(ExternalCommand),
 }
 
-impl ClassifiedCommand {
-    #[allow(unused)]
-    pub fn span(&self) -> Span {
-        match self {
-            ClassifiedCommand::Expr(token) => token.span(),
-            ClassifiedCommand::Internal(internal) => internal.name_span.into(),
-            ClassifiedCommand::External(external) => external.name_span.into(),
-        }
-    }
-}
-
 pub(crate) struct InternalCommand {
     pub(crate) command: Arc<Command>,
     pub(crate) name_span: Span,
@@ -199,7 +188,7 @@ impl InternalCommand {
 
 pub(crate) struct ExternalCommand {
     pub(crate) name: String,
-    #[allow(unused)]
+
     pub(crate) name_span: Span,
     pub(crate) args: Vec<Tagged<String>>,
 }
diff --git a/src/commands/command.rs b/src/commands/command.rs
index 9e9c823c26..67286e98a1 100644
--- a/src/commands/command.rs
+++ b/src/commands/command.rs
@@ -148,10 +148,6 @@ impl CommandArgs {
         ))
     }
 
-    // pub fn name_span(&self) -> Span {
-    //     self.call_info.name_span
-    // }
-
     pub fn process<'de, T: Deserialize<'de>>(
         self,
         registry: &CommandRegistry,
@@ -235,11 +231,6 @@ pub struct RunnableContext {
 }
 
 impl RunnableContext {
-    #[allow(unused)]
-    pub fn cwd(&self) -> PathBuf {
-        PathBuf::from(self.shell_manager.path())
-    }
-
     pub fn expect_command(&self, name: &str) -> Arc<Command> {
         self.commands
             .get_command(name)
@@ -337,8 +328,6 @@ impl EvaluatedWholeStreamCommandArgs {
 #[get = "pub"]
 pub struct EvaluatedFilterCommandArgs {
     args: EvaluatedCommandArgs,
-    #[allow(unused)]
-    input: Tagged<Value>,
 }
 
 impl Deref for EvaluatedFilterCommandArgs {
@@ -353,7 +342,6 @@ impl EvaluatedFilterCommandArgs {
         host: Arc<Mutex<dyn Host>>,
         shell_manager: ShellManager,
         call_info: CallInfo,
-        input: Tagged<Value>,
     ) -> EvaluatedFilterCommandArgs {
         EvaluatedFilterCommandArgs {
             args: EvaluatedCommandArgs {
@@ -361,7 +349,6 @@ impl EvaluatedFilterCommandArgs {
                 shell_manager,
                 call_info,
             },
-            input,
         }
     }
 }
@@ -404,7 +391,6 @@ impl EvaluatedCommandArgs {
         }
     }
 
-    #[allow(unused)]
     pub fn has(&self, name: &str) -> bool {
         self.call_info.args.has(name)
     }
@@ -624,7 +610,6 @@ impl Command {
     }
 }
 
-#[allow(unused)]
 pub struct FnFilterCommand {
     name: String,
     func: fn(EvaluatedFilterCommandArgs) -> Result<OutputStream, ShellError>,
@@ -658,16 +643,13 @@ impl WholeStreamCommand for FnFilterCommand {
 
         let result = input.values.map(move |it| {
             let registry = registry.clone();
-            let call_info = match call_info
-                .clone()
-                .evaluate(&registry, &Scope::it_value(it.clone()))
-            {
+            let call_info = match call_info.clone().evaluate(&registry, &Scope::it_value(it)) {
                 Err(err) => return OutputStream::from(vec![Err(err)]).values,
                 Ok(args) => args,
             };
 
             let args =
-                EvaluatedFilterCommandArgs::new(host.clone(), shell_manager.clone(), call_info, it);
+                EvaluatedFilterCommandArgs::new(host.clone(), shell_manager.clone(), call_info);
 
             match func(args) {
                 Err(err) => return OutputStream::from(vec![Err(err)]).values,
@@ -689,14 +671,3 @@ pub fn whole_stream_command(command: impl WholeStreamCommand + 'static) -> Arc<C
 pub fn per_item_command(command: impl PerItemCommand + 'static) -> Arc<Command> {
     Arc::new(Command::PerItem(Arc::new(command)))
 }
-
-#[allow(unused)]
-pub fn filter(
-    name: &str,
-    func: fn(EvaluatedFilterCommandArgs) -> Result<OutputStream, ShellError>,
-) -> Arc<Command> {
-    Arc::new(Command::WholeStream(Arc::new(FnFilterCommand {
-        name: name.to_string(),
-        func,
-    })))
-}
diff --git a/src/commands/get.rs b/src/commands/get.rs
index 7f0512a7bc..44e3259fd8 100644
--- a/src/commands/get.rs
+++ b/src/commands/get.rs
@@ -60,7 +60,6 @@ fn get_member(path: &Tagged<String>, obj: &Tagged<Value>) -> Result<Tagged<Value
         Some(v) => Ok(v.clone()),
         None => Ok(Value::nothing().tagged(obj.tag)),
     }
-    // Ok(current.clone())
 }
 
 pub fn get(
diff --git a/src/commands/last.rs b/src/commands/last.rs
index 2471eec968..1f9cc62a7f 100644
--- a/src/commands/last.rs
+++ b/src/commands/last.rs
@@ -16,8 +16,7 @@ impl WholeStreamCommand for Last {
     }
 
     fn signature(&self) -> Signature {
-        Signature::build("last")
-            .required("amount", SyntaxType::Number)
+        Signature::build("last").required("amount", SyntaxType::Number)
     }
 
     fn usage(&self) -> &str {
@@ -30,7 +29,6 @@ impl WholeStreamCommand for Last {
         registry: &CommandRegistry,
     ) -> Result<OutputStream, ShellError> {
         args.process(registry, last)?.run()
-        // last(args, registry)
     }
 }
 
diff --git a/src/commands/macros.rs b/src/commands/macros.rs
index 8e148de5ff..adac8d9c89 100644
--- a/src/commands/macros.rs
+++ b/src/commands/macros.rs
@@ -1,11 +1,4 @@
 #[doc(hidden)]
-#[allow(unused)]
-macro_rules! named_type {
-    ($name:ident) => {
-        $crate::parser::registry::NamedType::$($name)*
-    }
-}
-
 #[macro_export]
 macro_rules! command {
     (
@@ -356,39 +349,4 @@ macro_rules! command {
             }
         );
     };
-
-    // ($export:ident as $name:tt ( $args:ident, -- $param:ident : $kind:ident ) $body:block) => {
-    //     #[allow(non_camel_case_types)]
-    //     pub struct $export;
-
-    //     impl Command for $export {
-    //         fn run(&self, $args: CommandArgs) -> Result<OutputStream, ShellError> {
-    //             fn command($args: CommandArgs, $param: $kind) -> Result<OutputStream, ShellError> {
-    //                 $body
-    //             }
-
-    //             use std::convert::TryInto;
-
-    //             let param = $args.get(stringify!($param)).try_into()?;
-    //             command($args, param)
-    //         }
-
-    //         fn name(&self) -> &str {
-    //             stringify!($name)
-    //         }
-
-    //         fn config(&self) -> Signature {
-    //             let mut named: IndexMap<String, NamedType> = IndexMap::new();
-    //             named.insert(stringify!($param).to_string(), NamedType::$kind);
-
-    //             Signature {
-    //                 name: self.name().to_string(),
-    //                 mandatory_positional: vec![],
-    //                 optional_positional: vec![],
-    //                 rest_positional: false,
-    //                 named,
-    //             }
-    //         }
-    //     }
-    // };
 }
diff --git a/src/commands/plugin.rs b/src/commands/plugin.rs
index 2cd63c0c98..ae9b2ec64a 100644
--- a/src/commands/plugin.rs
+++ b/src/commands/plugin.rs
@@ -294,7 +294,6 @@ pub fn sink_plugin(
     args: CommandArgs,
     registry: &CommandRegistry,
 ) -> Result<OutputStream, ShellError> {
-    //use subprocess::Exec;
     let args = args.evaluate_once(registry)?;
     let call_info = args.call_info.clone();
 
diff --git a/src/commands/post.rs b/src/commands/post.rs
index 551e33dd70..c1fc5d42fe 100644
--- a/src/commands/post.rs
+++ b/src/commands/post.rs
@@ -63,7 +63,6 @@ fn run(
         file => file.clone(),
     };
     let path_str = path.as_string()?;
-    //let body_str = body.as_string()?;
     let path_span = path.span();
     let has_raw = call_info.args.has("raw");
     let user = call_info.args.get("user").map(|x| x.as_string().unwrap());
diff --git a/src/errors.rs b/src/errors.rs
index 435f491682..3eb8e33e9c 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -1,4 +1,3 @@
-#[allow(unused)]
 use crate::prelude::*;
 
 use ansi_term::Color;
@@ -436,24 +435,6 @@ pub struct ShellDiagnostic {
     pub(crate) diagnostic: Diagnostic<Span>,
 }
 
-impl ShellDiagnostic {
-    #[allow(unused)]
-    pub(crate) fn simple_diagnostic(
-        span: impl Into<Span>,
-        source: impl Into<String>,
-    ) -> ShellDiagnostic {
-        use language_reporting::*;
-
-        let span = span.into();
-        let source = source.into();
-
-        let diagnostic =
-            Diagnostic::new(Severity::Error, "Parse error").with_label(Label::new_primary(span));
-
-        ShellDiagnostic { diagnostic }
-    }
-}
-
 impl PartialEq for ShellDiagnostic {
     fn eq(&self, _other: &ShellDiagnostic) -> bool {
         false
diff --git a/src/format.rs b/src/format.rs
index 7f65472855..10b92000b9 100644
--- a/src/format.rs
+++ b/src/format.rs
@@ -7,8 +7,7 @@ pub(crate) mod vtable;
 use crate::prelude::*;
 
 pub(crate) use entries::EntriesView;
-#[allow(unused)]
-pub(crate) use generic::GenericView;
+
 pub(crate) use table::TableView;
 pub(crate) use vtable::VTableView;
 
diff --git a/src/format/list.rs b/src/format/list.rs
index a33f2078e7..6b945e1fd9 100644
--- a/src/format/list.rs
+++ b/src/format/list.rs
@@ -3,7 +3,7 @@ use crate::prelude::*;
 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>>,
diff --git a/src/lib.rs b/src/lib.rs
index 74a5cee4df..7a82741199 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,6 +25,7 @@ pub use crate::commands::command::{CallInfo, ReturnSuccess, ReturnValue};
 pub use crate::context::{SourceMap, SpanSource};
 pub use crate::env::host::BasicHost;
 pub use crate::parser::hir::SyntaxType;
+pub use crate::parser::parse::token_tree_builder::TokenTreeBuilder;
 pub use crate::plugin::{serve_plugin, Plugin};
 pub use crate::utils::{AbsoluteFile, AbsolutePath, RelativePath};
 pub use cli::cli;
diff --git a/src/object.rs b/src/object.rs
index e2a8df1020..3b4dcfeb44 100644
--- a/src/object.rs
+++ b/src/object.rs
@@ -7,8 +7,7 @@ pub(crate) mod into;
 pub(crate) mod meta;
 pub(crate) mod types;
 
-#[allow(unused)]
-pub(crate) use base::{Block, Primitive, Switch, Value};
-pub(crate) use dict::{Dictionary, TaggedListBuilder, TaggedDictBuilder};
-pub(crate) use files::dir_entry_dict;
+pub(crate) use base::{Primitive, Value};
 pub(crate) use command::command_dict;
+pub(crate) use dict::{Dictionary, TaggedDictBuilder, TaggedListBuilder};
+pub(crate) use files::dir_entry_dict;
diff --git a/src/object/base.rs b/src/object/base.rs
index 0d4709f1f1..552d2c86de 100644
--- a/src/object/base.rs
+++ b/src/object/base.rs
@@ -174,7 +174,7 @@ pub enum Value {
     #[serde(with = "serde_bytes")]
     Binary(Vec<u8>),
     List(Vec<Tagged<Value>>),
-    #[allow(unused)]
+
     Block(Block),
 }
 
@@ -313,16 +313,6 @@ pub enum Switch {
     Absent,
 }
 
-impl Switch {
-    #[allow(unused)]
-    pub fn is_present(&self) -> bool {
-        match self {
-            Switch::Present => true,
-            Switch::Absent => false,
-        }
-    }
-}
-
 impl std::convert::TryFrom<Option<&Tagged<Value>>> for Switch {
     type Error = ShellError;
 
@@ -395,14 +385,6 @@ impl Value {
         }
     }
 
-    #[allow(unused)]
-    pub(crate) fn get_data_by_index(&self, idx: usize) -> Option<&Tagged<Value>> {
-        match self {
-            Value::List(l) => l.iter().nth(idx),
-            _ => None,
-        }
-    }
-
     pub fn get_data_by_path(&self, tag: Tag, path: &str) -> Option<Tagged<&Value>> {
         let mut current = self;
         for p in path.split(".") {
@@ -539,7 +521,6 @@ impl Value {
         }
     }
 
-    #[allow(unused)]
     pub(crate) fn compare(
         &self,
         operator: &Operator,
@@ -570,24 +551,6 @@ impl Value {
         }
     }
 
-    #[allow(unused)]
-    pub(crate) fn is_string(&self, expected: &str) -> bool {
-        match self {
-            Value::Primitive(Primitive::String(s)) if s == expected => true,
-            other => false,
-        }
-    }
-
-    // pub(crate) fn as_pair(&self) -> Result<(Tagged<Value>, Tagged<Value>), ShellError> {
-    //     match self {
-    //         Value::List(list) if list.len() == 2 => Ok((list[0].clone(), list[1].clone())),
-    //         other => Err(ShellError::string(format!(
-    //             "Expected pair, got {:?}",
-    //             other
-    //         ))),
-    //     }
-    // }
-
     pub(crate) fn as_string(&self) -> Result<String, ShellError> {
         match self {
             Value::Primitive(Primitive::String(s)) => Ok(s.clone()),
@@ -647,7 +610,6 @@ impl Value {
         Value::Primitive(Primitive::Date(s.into()))
     }
 
-    #[allow(unused)]
     pub fn date_from_str(s: &str) -> Result<Value, ShellError> {
         let date = DateTime::parse_from_rfc3339(s)
             .map_err(|err| ShellError::string(&format!("Date parse error: {}", err)))?;
@@ -705,95 +667,6 @@ pub(crate) fn reject_fields(obj: &Value, fields: &[String], tag: impl Into<Tag>)
     out.into_tagged_value()
 }
 
-#[allow(unused)]
-pub(crate) fn find(obj: &Value, field: &str, op: &Operator, rhs: &Value) -> bool {
-    let descs = obj.data_descriptors();
-    match descs.iter().find(|d| *d == field) {
-        None => false,
-        Some(desc) => {
-            let v = obj.get_data(desc).borrow().clone();
-
-            match v {
-                Value::Primitive(Primitive::Boolean(b)) => match (op, rhs) {
-                    (Operator::Equal, Value::Primitive(Primitive::Boolean(b2))) => b == *b2,
-                    (Operator::NotEqual, Value::Primitive(Primitive::Boolean(b2))) => b != *b2,
-                    _ => false,
-                },
-                Value::Primitive(Primitive::Bytes(i)) => match (op, rhs) {
-                    (Operator::LessThan, Value::Primitive(Primitive::Int(i2))) => {
-                        BigInt::from(i) < *i2
-                    }
-                    (Operator::GreaterThan, Value::Primitive(Primitive::Int(i2))) => {
-                        BigInt::from(i) > *i2
-                    }
-                    (Operator::LessThanOrEqual, Value::Primitive(Primitive::Int(i2))) => {
-                        BigInt::from(i) <= *i2
-                    }
-                    (Operator::GreaterThanOrEqual, Value::Primitive(Primitive::Int(i2))) => {
-                        BigInt::from(i) >= *i2
-                    }
-                    (Operator::Equal, Value::Primitive(Primitive::Int(i2))) => {
-                        BigInt::from(i) == *i2
-                    }
-                    (Operator::NotEqual, Value::Primitive(Primitive::Int(i2))) => {
-                        BigInt::from(i) != *i2
-                    }
-                    _ => false,
-                },
-                Value::Primitive(Primitive::Int(i)) => match (op, rhs) {
-                    (Operator::LessThan, Value::Primitive(Primitive::Int(i2))) => i < *i2,
-                    (Operator::GreaterThan, Value::Primitive(Primitive::Int(i2))) => i > *i2,
-                    (Operator::LessThanOrEqual, Value::Primitive(Primitive::Int(i2))) => i <= *i2,
-                    (Operator::GreaterThanOrEqual, Value::Primitive(Primitive::Int(i2))) => {
-                        i >= *i2
-                    }
-                    (Operator::Equal, Value::Primitive(Primitive::Int(i2))) => i == *i2,
-                    (Operator::NotEqual, Value::Primitive(Primitive::Int(i2))) => i != *i2,
-                    _ => false,
-                },
-                Value::Primitive(Primitive::Decimal(i)) => match (op, rhs) {
-                    (Operator::LessThan, Value::Primitive(Primitive::Decimal(i2))) => i < *i2,
-                    (Operator::GreaterThan, Value::Primitive(Primitive::Decimal(i2))) => i > *i2,
-                    (Operator::LessThanOrEqual, Value::Primitive(Primitive::Decimal(i2))) => {
-                        i <= *i2
-                    }
-                    (Operator::GreaterThanOrEqual, Value::Primitive(Primitive::Decimal(i2))) => {
-                        i >= *i2
-                    }
-                    (Operator::Equal, Value::Primitive(Primitive::Decimal(i2))) => i == *i2,
-                    (Operator::NotEqual, Value::Primitive(Primitive::Decimal(i2))) => i != *i2,
-                    (Operator::LessThan, Value::Primitive(Primitive::Int(i2))) => {
-                        i < BigDecimal::from(i2.clone())
-                    }
-                    (Operator::GreaterThan, Value::Primitive(Primitive::Int(i2))) => {
-                        i > BigDecimal::from(i2.clone())
-                    }
-                    (Operator::LessThanOrEqual, Value::Primitive(Primitive::Int(i2))) => {
-                        i <= BigDecimal::from(i2.clone())
-                    }
-                    (Operator::GreaterThanOrEqual, Value::Primitive(Primitive::Int(i2))) => {
-                        i >= BigDecimal::from(i2.clone())
-                    }
-                    (Operator::Equal, Value::Primitive(Primitive::Int(i2))) => {
-                        i == BigDecimal::from(i2.clone())
-                    }
-                    (Operator::NotEqual, Value::Primitive(Primitive::Int(i2))) => {
-                        i != BigDecimal::from(i2.clone())
-                    }
-
-                    _ => false,
-                },
-                Value::Primitive(Primitive::String(s)) => match (op, rhs) {
-                    (Operator::Equal, Value::Primitive(Primitive::String(s2))) => s == *s2,
-                    (Operator::NotEqual, Value::Primitive(Primitive::String(s2))) => s != *s2,
-                    _ => false,
-                },
-                _ => false,
-            }
-        }
-    }
-}
-
 enum CompareValues {
     Ints(BigInt, BigInt),
     Decimals(BigDecimal, BigDecimal),
diff --git a/src/parser/hir.rs b/src/parser/hir.rs
index d46bef9247..3e155cc059 100644
--- a/src/parser/hir.rs
+++ b/src/parser/hir.rs
@@ -92,7 +92,6 @@ pub enum RawExpression {
     FilePath(PathBuf),
     ExternalCommand(ExternalCommand),
 
-    #[allow(unused)]
     Boolean(bool),
 }
 
diff --git a/src/parser/hir/baseline_parse_tokens.rs b/src/parser/hir/baseline_parse_tokens.rs
index 89bffc3f5f..ca9b0bb37c 100644
--- a/src/parser/hir/baseline_parse_tokens.rs
+++ b/src/parser/hir/baseline_parse_tokens.rs
@@ -33,7 +33,7 @@ pub fn baseline_parse_tokens(
     Ok(exprs)
 }
 
-#[allow(unused)]
+
 #[derive(Debug, Copy, Clone, Serialize, Deserialize)]
 pub enum SyntaxType {
     Any,
diff --git a/src/parser/parse/operator.rs b/src/parser/parse/operator.rs
index b7a24c79a1..1942b6012c 100644
--- a/src/parser/parse/operator.rs
+++ b/src/parser/parse/operator.rs
@@ -20,7 +20,7 @@ impl ToDebug for Operator {
 }
 
 impl Operator {
-    #[allow(unused)]
+
     pub fn print(&self) -> String {
         self.as_str().to_string()
     }
diff --git a/src/parser/parse/parser.rs b/src/parser/parse/parser.rs
index 2f16807e37..238a144d5a 100644
--- a/src/parser/parse/parser.rs
+++ b/src/parser/parse/parser.rs
@@ -678,6 +678,8 @@ mod tests {
     use crate::parser::parse::token_tree_builder::{CurriedToken, TokenTreeBuilder};
     use pretty_assertions::assert_eq;
 
+    pub type CurriedNode<T> = Box<dyn FnOnce(&mut TokenTreeBuilder) -> T + 'static>;
+
     macro_rules! assert_leaf {
         (parsers [ $($name:tt)* ] $input:tt -> $left:tt .. $right:tt { $kind:tt $parens:tt } ) => {
             $(
diff --git a/src/parser/parse/token_tree.rs b/src/parser/parse/token_tree.rs
index 3ecc597fdf..df189a1a0c 100644
--- a/src/parser/parse/token_tree.rs
+++ b/src/parser/parse/token_tree.rs
@@ -9,7 +9,7 @@ use std::fmt;
 #[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd)]
 pub enum TokenNode {
     Token(Token),
-    #[allow(unused)]
+
     Call(Tagged<CallNode>),
     Delimited(Tagged<DelimitedNode>),
     Pipeline(Tagged<Pipeline>),
@@ -17,7 +17,7 @@ pub enum TokenNode {
     Flag(Tagged<Flag>),
     Member(Span),
     Whitespace(Span),
-    #[allow(unused)]
+
     Error(Tagged<Box<ShellError>>),
     Path(Tagged<PathNode>),
 }
diff --git a/src/parser/parse/token_tree_builder.rs b/src/parser/parse/token_tree_builder.rs
index 38db878fea..ad4eebdc8a 100644
--- a/src/parser/parse/token_tree_builder.rs
+++ b/src/parser/parse/token_tree_builder.rs
@@ -1,4 +1,3 @@
-#[allow(unused)]
 use crate::prelude::*;
 
 use crate::parser::parse::flag::{Flag, FlagKind};
@@ -17,12 +16,9 @@ pub struct TokenTreeBuilder {
     pos: usize,
 }
 
-#[allow(unused)]
-pub type CurriedNode<T> = Box<dyn FnOnce(&mut TokenTreeBuilder) -> T + 'static>;
 pub type CurriedToken = Box<dyn FnOnce(&mut TokenTreeBuilder) -> TokenNode + 'static>;
 pub type CurriedCall = Box<dyn FnOnce(&mut TokenTreeBuilder) -> Tagged<CallNode> + 'static>;
 
-#[allow(unused)]
 impl TokenTreeBuilder {
     pub fn build(block: impl FnOnce(&mut Self) -> TokenNode) -> TokenNode {
         let mut builder = TokenTreeBuilder::new();
@@ -194,7 +190,7 @@ impl TokenTreeBuilder {
 
         Box::new(move |b| {
             let (start_int, end_int) = b.consume(&int.to_string());
-            let (start_unit, end_unit) = b.consume(unit.as_str());
+            let (_, end_unit) = b.consume(unit.as_str());
             b.pos = end_unit;
 
             TokenTreeBuilder::spanned_size(
diff --git a/src/parser/registry.rs b/src/parser/registry.rs
index 7d22e4f85d..7112d91118 100644
--- a/src/parser/registry.rs
+++ b/src/parser/registry.rs
@@ -9,7 +9,6 @@ use log::trace;
 use serde::{Deserialize, Serialize};
 use std::fmt;
 
-#[allow(unused)]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 pub enum NamedType {
     Switch,
@@ -17,7 +16,6 @@ pub enum NamedType {
     Optional(SyntaxType),
 }
 
-#[allow(unused)]
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub enum PositionalType {
     Mandatory(String, SyntaxType),
@@ -45,15 +43,6 @@ impl PositionalType {
         PositionalType::Optional(name.to_string(), SyntaxType::Any)
     }
 
-    #[allow(unused)]
-    pub(crate) fn to_coerce_hint(&self) -> Option<SyntaxType> {
-        match self {
-            PositionalType::Mandatory(_, SyntaxType::Block)
-            | PositionalType::Optional(_, SyntaxType::Block) => Some(SyntaxType::Block),
-            _ => None,
-        }
-    }
-
     pub(crate) fn name(&self) -> &str {
         match self {
             PositionalType::Mandatory(s, _) => s,
@@ -295,11 +284,6 @@ impl Signature {
 
         Ok(args)
     }
-
-    #[allow(unused)]
-    pub(crate) fn signature(&self) -> String {
-        format!("TODO")
-    }
 }
 
 pub(crate) fn evaluate_args(
diff --git a/src/plugin.rs b/src/plugin.rs
index a224bc6731..afd9871108 100644
--- a/src/plugin.rs
+++ b/src/plugin.rs
@@ -7,22 +7,21 @@ use std::io;
 pub trait Plugin {
     fn config(&mut self) -> Result<Signature, ShellError>;
 
-    #[allow(unused)]
-    fn begin_filter(&mut self, call_info: CallInfo) -> Result<Vec<ReturnValue>, ShellError> {
+    fn begin_filter(&mut self, _call_info: CallInfo) -> Result<Vec<ReturnValue>, ShellError> {
         Ok(vec![])
     }
-    #[allow(unused)]
-    fn filter(&mut self, input: Tagged<Value>) -> Result<Vec<ReturnValue>, ShellError> {
+
+    fn filter(&mut self, _input: Tagged<Value>) -> Result<Vec<ReturnValue>, ShellError> {
         Ok(vec![])
     }
-    #[allow(unused)]
+
     fn end_filter(&mut self) -> Result<Vec<ReturnValue>, ShellError> {
         Ok(vec![])
     }
-    #[allow(unused)]
-    fn sink(&mut self, call_info: CallInfo, input: Vec<Tagged<Value>>) {}
 
-    fn quit(&mut self){}
+    fn sink(&mut self, _call_info: CallInfo, _input: Vec<Tagged<Value>>) {}
+
+    fn quit(&mut self) {}
 }
 
 pub fn serve_plugin(plugin: &mut dyn Plugin) {
diff --git a/src/plugins/binaryview.rs b/src/plugins/binaryview.rs
index 7601621cd1..c321e8115c 100644
--- a/src/plugins/binaryview.rs
+++ b/src/plugins/binaryview.rs
@@ -331,8 +331,7 @@ pub fn view_contents(
     let cursor = cursor();
     let _ = cursor.show();
 
-    #[allow(unused)]
-    let screen = RawScreen::disable_raw_mode();
+    let _ = RawScreen::disable_raw_mode();
 
     Ok(())
 }
@@ -436,7 +435,6 @@ pub fn view_contents_interactive(
     let cursor = cursor();
     let _ = cursor.show();
 
-    #[allow(unused)]
     let screen = RawScreen::disable_raw_mode();
 
     Ok(())
diff --git a/src/plugins/textview.rs b/src/plugins/textview.rs
index 81db9dd194..423cae8765 100644
--- a/src/plugins/textview.rs
+++ b/src/plugins/textview.rs
@@ -26,8 +26,7 @@ impl TextView {
 
 impl Plugin for TextView {
     fn config(&mut self) -> Result<Signature, ShellError> {
-        Ok(Signature::build("textview")
-            .desc("Autoview of text data."))
+        Ok(Signature::build("textview").desc("Autoview of text data."))
     }
 
     fn sink(&mut self, call_info: CallInfo, input: Vec<Tagged<Value>>) {
@@ -200,8 +199,7 @@ fn scroll_view_lines_if_needed(draw_commands: Vec<DrawCommand>, use_color_buffer
             }
             let _ = cursor.show();
 
-            #[allow(unused)]
-            let screen = RawScreen::disable_raw_mode();
+            let _ = RawScreen::disable_raw_mode();
         }
     }
 
diff --git a/src/plugins/tree.rs b/src/plugins/tree.rs
index f57a705eca..19e38b626c 100644
--- a/src/plugins/tree.rs
+++ b/src/plugins/tree.rs
@@ -64,7 +64,6 @@ impl TreeView {
                 bold: true,
                 ..Style::default()
             };
-            //config.characters = UTF_CHARS_BOLD.into();
             config.indent = 4;
             config
         };
@@ -80,8 +79,7 @@ struct TreeViewer;
 
 impl Plugin for TreeViewer {
     fn config(&mut self) -> Result<Signature, ShellError> {
-        Ok(Signature::build("tree")
-            .desc("View the contents of the pipeline as a tree."))
+        Ok(Signature::build("tree").desc("View the contents of the pipeline as a tree."))
     }
 
     fn sink(&mut self, _call_info: CallInfo, input: Vec<Tagged<Value>>) {
diff --git a/src/shell/completer.rs b/src/shell/completer.rs
index 80ed6cfbbf..e8fdeae18e 100644
--- a/src/shell/completer.rs
+++ b/src/shell/completer.rs
@@ -72,9 +72,4 @@ impl NuCompleter {
 
         Ok((replace_pos, completions))
     }
-
-    // fn update(&self, line: &mut LineBuffer, start: usize, elected: &str) {
-    //     let end = line.pos();
-    //     line.replace(start..end, elected)
-    // }
 }
diff --git a/src/shell/filesystem_shell.rs b/src/shell/filesystem_shell.rs
index 2e1623cfd8..1bb7796b5d 100644
--- a/src/shell/filesystem_shell.rs
+++ b/src/shell/filesystem_shell.rs
@@ -501,11 +501,6 @@ impl Shell for FilesystemShell {
     fn mkdir(
         &self,
         MkdirArgs { rest: directories }: MkdirArgs,
-        // RunnablePerItemContext {
-        //     name,
-        //     shell_manager,
-        //     ..
-        // }: &RunnablePerItemContext,
         name: Span,
         path: &str,
     ) -> Result<OutputStream, ShellError> {