diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/SMAPAndMethodNode.kt b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/SMAPAndMethodNode.kt
index 31319a1d642..e14e7b26ce5 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/SMAPAndMethodNode.kt
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/SMAPAndMethodNode.kt
@@ -17,7 +17,7 @@
 package org.jetbrains.kotlin.codegen.inline
 
 import org.jetbrains.org.objectweb.asm.tree.MethodNode
-import org.jetbrains.kotlin.codegen.optimization.common.InsnStream
+import org.jetbrains.kotlin.codegen.optimization.common.InsnSequence
 import org.jetbrains.org.objectweb.asm.tree.LineNumberNode
 import org.jetbrains.org.objectweb.asm.Label
 import kotlin.properties.Delegates
@@ -29,7 +29,7 @@ import org.jetbrains.kotlin.codegen.SourceInfo
 class SMAPAndMethodNode(val node: MethodNode, val classSMAP: SMAP) {
 
     val lineNumbers =
-        InsnStream(node.instructions.getFirst(), null).stream().filterIsInstance<LineNumberNode>().map {
+        InsnSequence(node.instructions.getFirst(), null).stream().filterIsInstance<LineNumberNode>().map {
             val index = Collections.binarySearch(classSMAP.intervals, RangeMapping(it.line, it.line, 1)) {
                 value, key ->
                 if (value.contains(key.dest)) 0 else RangeMapping.Comparator.compare(value, key)
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 b9310aa733f..f43dac7351e 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
@@ -28,7 +28,7 @@ val AbstractInsnNode.isMeaningful : Boolean get() =
         else -> true
     }
 
-class InsnStream(val from: AbstractInsnNode, val to: AbstractInsnNode?) : Stream<AbstractInsnNode> {
+class InsnSequence(val from: AbstractInsnNode, val to: AbstractInsnNode?) : Sequence<AbstractInsnNode> {
     override fun iterator(): Iterator<AbstractInsnNode> {
         return object : Iterator<AbstractInsnNode> {
             var current: AbstractInsnNode? = from
@@ -44,14 +44,14 @@ class InsnStream(val from: AbstractInsnNode, val to: AbstractInsnNode?) : Stream
 
 fun MethodNode.prepareForEmitting() {
     tryCatchBlocks = tryCatchBlocks.filter { tcb ->
-        InsnStream(tcb.start, tcb.end).any { insn ->
+        InsnSequence(tcb.start, tcb.end).any { insn ->
             insn.isMeaningful
         }
     }
 
     // local variables with live ranges starting after last meaningful instruction lead to VerifyError
     localVariables = localVariables.filter { lv ->
-        InsnStream(lv.start, instructions.getLast()).any { insn ->
+        InsnSequence(lv.start, instructions.getLast()).any { insn ->
             insn.isMeaningful
         }
     }