diff --git a/sample/src/main/java/com/trendyol/transmission/counter/Holder.kt b/sample/src/main/java/com/trendyol/transmission/counter/Holder.kt
index 223a4a2..21da834 100644
--- a/sample/src/main/java/com/trendyol/transmission/counter/Holder.kt
+++ b/sample/src/main/java/com/trendyol/transmission/counter/Holder.kt
@@ -8,11 +8,10 @@ import com.trendyol.transmission.transformer.request.computation.ComputationRegi
 import com.trendyol.transmission.transformer.request.computation.computations
 import com.trendyol.transmission.transformer.request.computation.register
 import com.trendyol.transmission.transformer.request.computationWithArgs
-import com.trendyol.transmission.transformer.request.identity
 
-val lookUpAndReturn = Contracts.computationWithArgs<String, Int>("lookupAndReturn")
+val lookUpAndReturn = Contracts.computationWithArgs<String, Int>()
 
-class Holder : Transformer(Contracts.identity("master")) {
+class Holder : Transformer() {
 
     data class TestCounter(val value: Int) : Transmission.Data
 
diff --git a/sample/src/main/java/com/trendyol/transmission/counter/Worker.kt b/sample/src/main/java/com/trendyol/transmission/counter/Worker.kt
index dd8c758..720a052 100644
--- a/sample/src/main/java/com/trendyol/transmission/counter/Worker.kt
+++ b/sample/src/main/java/com/trendyol/transmission/counter/Worker.kt
@@ -4,10 +4,8 @@ import com.trendyol.transmission.transformer.Transformer
 import com.trendyol.transmission.transformer.handler.HandlerRegistry
 import com.trendyol.transmission.transformer.handler.handlers
 import com.trendyol.transmission.transformer.handler.onSignal
-import com.trendyol.transmission.transformer.request.Contracts
-import com.trendyol.transmission.transformer.request.identity
 
-class Worker(val id: String) : Transformer(Contracts.identity("$id")) {
+class Worker(val id: String) : Transformer() {
 
     override val handlers: HandlerRegistry = handlers {
         onSignal<CounterSignal.Lookup> {