diff --git a/crates/oxc_parser/src/cursor.rs b/crates/oxc_parser/src/cursor.rs
index 57dd9f0fbda3e..f49a64b5510a0 100644
--- a/crates/oxc_parser/src/cursor.rs
+++ b/crates/oxc_parser/src/cursor.rs
@@ -136,6 +136,7 @@ impl<'a> ParserImpl<'a> {
 
     /// Advance and return true if we are at `Kind`, return false otherwise
     #[inline]
+    #[must_use = "Use `bump` instead of `eat` if you are ignoring the return value"]
     pub(crate) fn eat(&mut self, kind: Kind) -> bool {
         if self.at(kind) {
             self.advance(kind);
@@ -144,7 +145,7 @@ impl<'a> ParserImpl<'a> {
         false
     }
 
-    /// Advance and return true if we are at `Kind`
+    /// Advance if we are at `Kind`
     #[inline]
     pub(crate) fn bump(&mut self, kind: Kind) {
         if self.at(kind) {
diff --git a/crates/oxc_parser/src/js/declaration.rs b/crates/oxc_parser/src/js/declaration.rs
index 7c8a86e2c451f..b8c9fdc4d4553 100644
--- a/crates/oxc_parser/src/js/declaration.rs
+++ b/crates/oxc_parser/src/js/declaration.rs
@@ -97,7 +97,7 @@ impl<'a> ParserImpl<'a> {
                 && self.at(Kind::Bang)
                 && !self.cur_token().is_on_new_line()
             {
-                self.eat(Kind::Bang);
+                self.bump(Kind::Bang);
                 definite = true;
             }
             let optional = self.eat(Kind::Question); // not allowed, but checked in checker/typescript.rs
diff --git a/crates/oxc_parser/src/js/object.rs b/crates/oxc_parser/src/js/object.rs
index 25c955ac776bc..678bce32bf6c6 100644
--- a/crates/oxc_parser/src/js/object.rs
+++ b/crates/oxc_parser/src/js/object.rs
@@ -21,7 +21,7 @@ impl<'a> ParserImpl<'a> {
                 Self::parse_object_expression_property,
             )
         });
-        self.eat(Kind::Comma); // Trailing Comma
+        self.bump(Kind::Comma); // Trailing Comma
         self.expect(Kind::RCurly);
         self.ast.alloc_object_expression(self.end_span(span), object_expression_properties)
     }