diff --git a/crates/oxc_parser/src/js/arrow.rs b/crates/oxc_parser/src/js/arrow.rs
index fb59f3a668d20..7582945e819bd 100644
--- a/crates/oxc_parser/src/js/arrow.rs
+++ b/crates/oxc_parser/src/js/arrow.rs
@@ -61,8 +61,7 @@ impl<'a> ParserImpl<'a> {
     }
 
     fn is_parenthesized_arrow_function_expression_worker(&mut self) -> Tristate {
-        if self.at(Kind::Async) {
-            self.bump(Kind::Async);
+        if self.eat(Kind::Async) {
             if self.cur_token().is_on_new_line() {
                 return Tristate::False;
             }
diff --git a/crates/oxc_parser/src/js/declaration.rs b/crates/oxc_parser/src/js/declaration.rs
index 265173123c1f9..b3f5e84e11ad7 100644
--- a/crates/oxc_parser/src/js/declaration.rs
+++ b/crates/oxc_parser/src/js/declaration.rs
@@ -41,8 +41,7 @@ impl<'a> ParserImpl<'a> {
 
     fn is_next_token_using_keyword_then_binding_identifier(&mut self) -> bool {
         self.bump_any();
-        if self.at(Kind::Using) && !self.cur_token().is_on_new_line() {
-            self.bump_any();
+        if !self.cur_token().is_on_new_line() && self.eat(Kind::Using) {
             self.cur_kind().is_binding_identifier() && !self.cur_token().is_on_new_line()
         } else {
             false
@@ -111,10 +110,9 @@ impl<'a> ParserImpl<'a> {
             //        ^ definite
             let mut definite = false;
             if binding_kind.is_binding_identifier()
-                && 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/expression.rs b/crates/oxc_parser/src/js/expression.rs
index 783c9a52df62c..0f935b9c67861 100644
--- a/crates/oxc_parser/src/js/expression.rs
+++ b/crates/oxc_parser/src/js/expression.rs
@@ -758,8 +758,7 @@ impl<'a> ParserImpl<'a> {
             }
 
             if !question_dot {
-                if self.at(Kind::Bang) && !self.cur_token().is_on_new_line() && self.is_ts {
-                    self.bump_any();
+                if self.is_ts && !self.cur_token().is_on_new_line() && self.eat(Kind::Bang) {
                     lhs = self.ast.expression_ts_non_null(self.end_span(lhs_span), lhs);
                     continue;
                 }