diff --git a/compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/IrInterpreter.kt b/compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/IrInterpreter.kt
index baaecafcb6f..8ff658747ad 100644
--- a/compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/IrInterpreter.kt
+++ b/compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/IrInterpreter.kt
@@ -17,7 +17,10 @@ import org.jetbrains.kotlin.ir.interpreter.proxy.Proxy
 import org.jetbrains.kotlin.ir.interpreter.stack.CallStack
 import org.jetbrains.kotlin.ir.interpreter.stack.Field
 import org.jetbrains.kotlin.ir.interpreter.state.*
-import org.jetbrains.kotlin.ir.interpreter.state.reflection.*
+import org.jetbrains.kotlin.ir.interpreter.state.reflection.KClassState
+import org.jetbrains.kotlin.ir.interpreter.state.reflection.KFunctionState
+import org.jetbrains.kotlin.ir.interpreter.state.reflection.KPropertyState
+import org.jetbrains.kotlin.ir.interpreter.state.reflection.KTypeState
 import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
 import org.jetbrains.kotlin.ir.types.*
 import org.jetbrains.kotlin.ir.util.*
@@ -171,8 +174,8 @@ class IrInterpreter(internal val environment: IrInterpreterEnvironment, internal
         if (irFunction.isLocal) callStack.copyUpValuesFromPreviousFrame()
 
         // 5. store arguments in memory (remap args on actual names)
-        irFunction.getDispatchReceiver()?.let { callStack.storeState(it, dispatchReceiver!!) }
-        irFunction.getExtensionReceiver()?.let { callStack.storeState(it, extensionReceiver ?: callStack.loadState(it)) }
+        irFunction.getDispatchReceiver()?.let { callStack.storeState(it, dispatchReceiver) }
+        irFunction.getExtensionReceiver()?.let { callStack.storeState(it, extensionReceiver) }
         irFunction.valueParameters.forEachIndexed { i, param -> callStack.storeState(param.symbol, valueArguments[i]) }
         // `call.type` is used in check cast and emptyArray
         callStack.storeState(irFunction.symbol, KTypeState(call.type, environment.kTypeClass.owner))