diff --git a/crates/cli/tests/reference/echo.d.ts b/crates/cli/tests/reference/echo.d.ts
index d5b187aa985..7f72b5e2d34 100644
--- a/crates/cli/tests/reference/echo.d.ts
+++ b/crates/cli/tests/reference/echo.d.ts
@@ -57,5 +57,6 @@ export function echo_option_vec_string(a?: (string)[]): (string)[] | undefined;
 export function echo_option_struct(a?: Foo): Foo | undefined;
 export function echo_option_vec_struct(a?: (Foo)[]): (Foo)[] | undefined;
 export class Foo {
+  private constructor();
   free(): void;
 }
diff --git a/crates/typescript-tests/src/getters_setters.rs b/crates/typescript-tests/src/getters_setters.rs
index a58a64ed028..7bc14119199 100644
--- a/crates/typescript-tests/src/getters_setters.rs
+++ b/crates/typescript-tests/src/getters_setters.rs
@@ -3,9 +3,9 @@ use wasm_bindgen::prelude::*;
 #[wasm_bindgen]
 pub struct ColorWithGetters {
     r: f64,
-    g: f64,
-    b: f64,
-    a: u8,
+    _g: f64,
+    _b: f64,
+    _a: u8,
 }
 
 #[wasm_bindgen]
@@ -14,9 +14,9 @@ impl ColorWithGetters {
     pub fn new() -> Self {
         Self {
             r: 0.0,
-            g: 0.0,
-            b: 0.0,
-            a: 0,
+            _g: 0.0,
+            _b: 0.0,
+            _a: 0,
         }
     }
 
@@ -34,8 +34,8 @@ impl ColorWithGetters {
 #[wasm_bindgen]
 pub struct ColorWithSetters {
     r: f64,
-    g: f64,
-    b: f64,
+    _g: f64,
+    _b: f64,
     a: u8,
 }
 
@@ -45,8 +45,8 @@ impl ColorWithSetters {
     pub fn new() -> Self {
         Self {
             r: 0.0,
-            g: 0.0,
-            b: 0.0,
+            _g: 0.0,
+            _b: 0.0,
             a: 0,
         }
     }
@@ -70,8 +70,8 @@ impl ColorWithSetters {
 #[wasm_bindgen]
 pub struct ColorWithGetterAndSetter {
     r: f64,
-    g: f64,
-    b: f64,
+    _g: f64,
+    _b: f64,
     a: u8,
 }
 
@@ -81,8 +81,8 @@ impl ColorWithGetterAndSetter {
     pub fn new() -> Self {
         Self {
             r: 0.0,
-            g: 0.0,
-            b: 0.0,
+            _g: 0.0,
+            _b: 0.0,
             a: 0,
         }
     }