diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/CoroutineTransformerMethodVisitor.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/CoroutineTransformerMethodVisitor.kt
index 0eedd8cf5d3..5317b98cdef 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/CoroutineTransformerMethodVisitor.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/CoroutineTransformerMethodVisitor.kt
@@ -16,7 +16,6 @@ import org.jetbrains.kotlin.codegen.optimization.DeadCodeEliminationMethodTransf
 import org.jetbrains.kotlin.codegen.optimization.boxing.isPrimitiveUnboxing
 import org.jetbrains.kotlin.codegen.optimization.common.*
 import org.jetbrains.kotlin.codegen.optimization.fixStack.FixStackMethodTransformer
-import org.jetbrains.kotlin.codegen.optimization.fixStack.top
 import org.jetbrains.kotlin.codegen.optimization.transformer.MethodTransformer
 import org.jetbrains.kotlin.config.LanguageVersionSettings
 import org.jetbrains.kotlin.config.isReleaseCoroutines
@@ -948,7 +947,7 @@ private fun allSuspensionPointsAreTailCalls(
     }
 }
 
-internal class IgnoringCopyOperationSourceInterpreter : SourceInterpreter(OPTIMIZATION_ASM_API_VERSION) {
+internal class IgnoringCopyOperationSourceInterpreter : SourceInterpreter(Opcodes.API_VERSION) {
     override fun copyOperation(insn: AbstractInsnNode?, value: SourceValue?) = value
 }
 
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/refinedIntTypesAnalysis.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/refinedIntTypesAnalysis.kt
index 2f4b59fde5d..6d2be6f7290 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/refinedIntTypesAnalysis.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/refinedIntTypesAnalysis.kt
@@ -169,7 +169,7 @@ private fun checkUpdatedExpectedType(was: Type?, new: Type) {
     }
 }
 
-private class MySourceInterpreter : SourceInterpreter(OPTIMIZATION_ASM_API_VERSION) {
+private class MySourceInterpreter : SourceInterpreter(Opcodes.API_VERSION) {
     override fun copyOperation(insn: AbstractInsnNode, value: SourceValue) =
             when {
                 insn.isStoreOperation() || insn.isLoadOperation() -> SourceValue(value.size, insn)
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/boxing/PopBackwardPropagationTransformer.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/boxing/PopBackwardPropagationTransformer.kt
index 1e91f3ce9cc..9ccd437aae2 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/boxing/PopBackwardPropagationTransformer.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/boxing/PopBackwardPropagationTransformer.kt
@@ -17,7 +17,6 @@
 package org.jetbrains.kotlin.codegen.optimization.boxing
 
 import org.jetbrains.kotlin.codegen.optimization.OptimizationMethodVisitor
-import org.jetbrains.kotlin.codegen.optimization.common.OPTIMIZATION_ASM_API_VERSION
 import org.jetbrains.kotlin.codegen.optimization.common.debugText
 import org.jetbrains.kotlin.codegen.optimization.common.isLoadOperation
 import org.jetbrains.kotlin.codegen.optimization.common.isMeaningful
@@ -120,7 +119,7 @@ class PopBackwardPropagationTransformer : MethodTransformer() {
             throw AssertionError("Incorrect bytecode at ${methodNode.instructions.indexOf(insn)}: ${insn.debugText} $frame")
         }
 
-        private inner class HazardsTrackingInterpreter : SourceInterpreter(OPTIMIZATION_ASM_API_VERSION) {
+        private inner class HazardsTrackingInterpreter : SourceInterpreter(Opcodes.API_VERSION) {
             override fun naryOperation(insn: AbstractInsnNode, values: MutableList<out SourceValue>): SourceValue {
                 for (value in values) {
                     value.insns.markAsDontTouch()
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/Util.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/Util.kt
index 874c43b5ef3..f0434c4231b 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/Util.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/optimization/common/Util.kt
@@ -27,8 +27,6 @@ import org.jetbrains.org.objectweb.asm.Opcodes.*
 import org.jetbrains.org.objectweb.asm.Type
 import org.jetbrains.org.objectweb.asm.tree.*
 
-const val OPTIMIZATION_ASM_API_VERSION = Opcodes.API_VERSION
-
 val AbstractInsnNode.isMeaningful: Boolean
     get() =
         when (this.type) {