diff --git a/packages/svelte/src/internal/client/reactivity/sources.js b/packages/svelte/src/internal/client/reactivity/sources.js
index 7c0c7122f8..8cb0fc0aca 100644
--- a/packages/svelte/src/internal/client/reactivity/sources.js
+++ b/packages/svelte/src/internal/client/reactivity/sources.js
@@ -109,10 +109,7 @@ export function set(signal, value) {
 					: '')
 		);
 	}
-	if (
-		(signal.f & SOURCE) !== 0 &&
-		!(/** @type {import('#client').EqualsFunctions} */ (signal.eq)(value, signal.v))
-	) {
+	if ((signal.f & SOURCE) !== 0 && !signal.eq(value, signal.v)) {
 		signal.v = value;
 		// Increment write version so that unowned signals can properly track dirtyness
 		signal.w++;
diff --git a/packages/svelte/src/internal/client/runtime.js b/packages/svelte/src/internal/client/runtime.js
index cc48735369..d7d2ff2d2f 100644
--- a/packages/svelte/src/internal/client/runtime.js
+++ b/packages/svelte/src/internal/client/runtime.js
@@ -693,8 +693,7 @@ function update_derived(signal, force_schedule) {
 			? MAYBE_DIRTY
 			: CLEAN;
 	set_signal_status(signal, status);
-	const equals = /** @type {import('./types.js').EqualsFunctions} */ (signal.eq);
-	if (!equals(value, signal.v)) {
+	if (!signal.eq(value, signal.v)) {
 		signal.v = value;
 		mark_reactions(signal, DIRTY, force_schedule);