diff --git a/crates/oyster_parser/src/lexer.rs b/crates/oyster_parser/src/lexer.rs
index 03f1097..9c42ddc 100644
--- a/crates/oyster_parser/src/lexer.rs
+++ b/crates/oyster_parser/src/lexer.rs
@@ -39,7 +39,6 @@ pub struct Token {
 /// which each parse a different sublanguage.
 /// This makes handling strings, and substitutions in strings, and strings in substitutions in
 /// strings way easier.
-#[derive(Debug)]
 pub struct Lexer<'a> {
     chars: Chars<'a>,
     remaining: usize,
diff --git a/crates/oyster_parser/src/parser.rs b/crates/oyster_parser/src/parser.rs
index e784a04..d35ca4d 100644
--- a/crates/oyster_parser/src/parser.rs
+++ b/crates/oyster_parser/src/parser.rs
@@ -49,7 +49,6 @@ pub enum ParseEvent {
 /// instead of returning the tree directly, it returns a linear representation,
 /// containing instructions on how to construct the trees.
 /// StartNode(Program) and EndNode at the end is implied.
-#[derive(Debug)]
 pub struct Parser<'a> {
     lex: Lexer<'a>,
     lookahead: Token,
diff --git a/crates/oyster_runtime/src/pipeline.rs b/crates/oyster_runtime/src/pipeline.rs
index f72f341..9709bb5 100644
--- a/crates/oyster_runtime/src/pipeline.rs
+++ b/crates/oyster_runtime/src/pipeline.rs
@@ -65,7 +65,7 @@ impl<'a> PreparedCommand<'a> {
         let redirect = command.1;
 
         let kind = match shell.builtins().get(&cmd) {
-            Some(builtin) => CommandKind::Builtin(builtin),
+            Some(builtin) => CommandKind::Builtin(*builtin),
             None => CommandKind::External,
         };