diff --git a/packages/effect-lens/src/Lens.ts b/packages/effect-lens/src/Lens.ts
index 0db61d0..fd9a55d 100644
--- a/packages/effect-lens/src/Lens.ts
+++ b/packages/effect-lens/src/Lens.ts
@@ -185,13 +185,10 @@ export declare namespace SynchronizedRefLensImpl {
 
 export class SynchronizedRefLensImpl<in out A>
 extends LensImpl<A, never, never, never, never> {
-    readonly ref: SynchronizedRefLensImpl.SynchronizedRefWithInternals<A>
-
     constructor(
-        ref: SynchronizedRef.SynchronizedRef<A>
+        readonly ref: SynchronizedRefLensImpl.SynchronizedRefWithInternals<A>
     ) {
         super()
-        this.ref = ref as SynchronizedRefLensImpl.SynchronizedRefWithInternals<A>
     }
 
     get access(): Effect.Effect<LensImpl.Frame<A>, never, never> {
@@ -217,7 +214,7 @@ extends LensImpl<A, never, never, never, never> {
  */
 export const fromSynchronizedRef = <A>(
     ref: SynchronizedRef.SynchronizedRef<A>
-): Lens<A, never, never, never, never> => new SynchronizedRefLensImpl(ref)
+): Lens<A, never, never, never, never> => new SynchronizedRefLensImpl(ref as SynchronizedRefLensImpl.SynchronizedRefWithInternals<A>)
 
 
 export declare namespace SubscriptionRefLensImpl {
@@ -231,13 +228,10 @@ export declare namespace SubscriptionRefLensImpl {
 
 export class SubscriptionRefLensImpl<in out A>
 extends LensImpl<A, never, never, never, never> {
-    readonly ref: SubscriptionRefLensImpl.SubscriptionRefWithInternals<A>
-
     constructor(
-        ref: SubscriptionRef.SubscriptionRef<A>
+        readonly ref: SubscriptionRefLensImpl.SubscriptionRefWithInternals<A>
     ) {
         super()
-        this.ref = ref as SubscriptionRefLensImpl.SubscriptionRefWithInternals<A>
     }
 
     get access(): Effect.Effect<LensImpl.Frame<A>, never, never> {
@@ -265,7 +259,7 @@ extends LensImpl<A, never, never, never, never> {
  */
 export const fromSubscriptionRef = <A>(
     ref: SubscriptionRef.SubscriptionRef<A>
-): Lens<A, never, never, never, never> => new SubscriptionRefLensImpl(ref)
+): Lens<A, never, never, never, never> => new SubscriptionRefLensImpl(ref as SubscriptionRefLensImpl.SubscriptionRefWithInternals<A>)
 
 
 /**