diff --git a/libraries/scripting/common/src/kotlin/script/experimental/repl/replCompilation.kt b/libraries/scripting/common/src/kotlin/script/experimental/repl/replCompilation.kt
deleted file mode 100644
index 206138964e1..00000000000
--- a/libraries/scripting/common/src/kotlin/script/experimental/repl/replCompilation.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package kotlin.script.experimental.repl
-
-import kotlin.script.experimental.api.*
-
-interface ReplSnippetChecker {
-
-    suspend operator fun invoke(
-        snippet: ReplSnippetSource,
-        state: ReplStageState<*>,
-        compilationConfiguration: ScriptCompilationConfiguration
-    ): ResultWithDiagnostics<Unit>
-}
-
-interface ReplSnippetCompiler {
-
-    suspend operator fun invoke(
-        snippet: ReplSnippetSource,
-        state: ReplStageState<*>,
-        compilationConfiguration: ScriptCompilationConfiguration
-    ): ResultWithDiagnostics<CompiledReplSnippet<*>>
-}
-
-interface CompiledReplSnippet<ScriptBase : Any> : CompiledScript<ScriptBase>
diff --git a/libraries/scripting/common/src/kotlin/script/experimental/repl/replData.kt b/libraries/scripting/common/src/kotlin/script/experimental/repl/replData.kt
deleted file mode 100644
index 17404016d42..00000000000
--- a/libraries/scripting/common/src/kotlin/script/experimental/repl/replData.kt
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package kotlin.script.experimental.repl
-
-import kotlin.script.experimental.api.SourceCode
-
-interface ReplSnippetSource : SourceCode, ReplSnippetId
-
diff --git a/libraries/scripting/common/src/kotlin/script/experimental/repl/replEvaluation.kt b/libraries/scripting/common/src/kotlin/script/experimental/repl/replEvaluation.kt
deleted file mode 100644
index b563cd2f6f7..00000000000
--- a/libraries/scripting/common/src/kotlin/script/experimental/repl/replEvaluation.kt
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package kotlin.script.experimental.repl
-
-import kotlin.script.experimental.api.EvaluationResult
-import kotlin.script.experimental.api.ResultWithDiagnostics
-import kotlin.script.experimental.util.PropertiesCollection
-
-interface ReplEvaluationEnvironmentKeys
-
-class ReplEvaluationEnvironment(baseEvaluationEnvironments: Iterable<ReplEvaluationEnvironment>, body: Builder.() -> Unit) :
-    PropertiesCollection(Builder(baseEvaluationEnvironments).apply(body).data) {
-
-    constructor(body: Builder.() -> Unit = {}) : this(emptyList(), body)
-    constructor(
-        vararg baseEvaluationEnvironments: ReplEvaluationEnvironment, body: Builder.() -> Unit = {}
-    ) : this(baseEvaluationEnvironments.asIterable(), body)
-
-    class Builder internal constructor(baseEvaluationEnvironments: Iterable<ReplEvaluationEnvironment>) :
-        ReplEvaluationEnvironmentKeys,
-        PropertiesCollection.Builder(baseEvaluationEnvironments)
-
-    companion object : ReplEvaluationEnvironmentKeys
-}
-
-interface ReplSnippetEvaluator {
-
-    suspend operator fun invoke(
-        compiledSnippet: CompiledReplSnippet<*>,
-        replEvaluationEnvironment: ReplEvaluationEnvironment
-    ): ResultWithDiagnostics<EvaluationResult>
-}
diff --git a/libraries/scripting/common/src/kotlin/script/experimental/repl/replHistory.kt b/libraries/scripting/common/src/kotlin/script/experimental/repl/replHistory.kt
deleted file mode 100644
index c246dc109fc..00000000000
--- a/libraries/scripting/common/src/kotlin/script/experimental/repl/replHistory.kt
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package kotlin.script.experimental.repl
-
-import java.util.concurrent.locks.ReentrantReadWriteLock
-import kotlin.concurrent.read
-import kotlin.concurrent.write
-
-const val REPL_CODE_LINE_FIRST_NO = 1
-const val REPL_CODE_LINE_FIRST_GEN = 1
-
-interface ReplSnippetId : Comparable<ReplSnippetId> {
-    val no: Int
-    val generation: Int
-}
-
-data class ReplHistoryRecord<out T>(val id: ReplSnippetId, val item: T)
-
-interface IReplStageHistory<T> : List<ReplHistoryRecord<T>> {
-
-    fun peek(): ReplHistoryRecord<T>? = lock.read { lastOrNull() }
-
-    fun push(id: ReplSnippetId, item: T)
-
-    fun pop(): ReplHistoryRecord<T>?
-
-    fun verifiedPop(id: ReplSnippetId): ReplHistoryRecord<T>? = lock.write {
-        if (lastOrNull()?.id == id) pop()
-        else null
-    }
-
-    fun reset(): Iterable<ReplSnippetId>
-
-    fun resetTo(id: ReplSnippetId): Iterable<ReplSnippetId>
-
-    val lock: ReentrantReadWriteLock
-}
-
-interface ReplStageState<T> {
-    val history: IReplStageHistory<T>
-
-    val lock: ReentrantReadWriteLock
-
-    val currentGeneration: Int
-
-    fun getNextLineNo(): Int =
-        history.peek()?.id?.no?.let { it + 1 } ?: REPL_CODE_LINE_FIRST_NO // TODO: it should be more robust downstream (e.g. use atomic)
-
-    fun <StateT : ReplStageState<*>> asState(target: Class<out StateT>): StateT =
-        if (target.isAssignableFrom(this::class.java)) this as StateT
-        else throw IllegalArgumentException("$this is not an expected instance of IReplStageState")
-}
diff --git a/libraries/scripting/common/src/kotlin/script/experimental/repl/replHost.kt b/libraries/scripting/common/src/kotlin/script/experimental/repl/replHost.kt
deleted file mode 100644
index 49c7134f8ab..00000000000
--- a/libraries/scripting/common/src/kotlin/script/experimental/repl/replHost.kt
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package kotlin.script.experimental.repl
-
-import kotlinx.coroutines.experimental.CoroutineScope
-import kotlinx.coroutines.experimental.runBlocking
-import kotlin.script.experimental.api.EvaluationResult
-import kotlin.script.experimental.api.ResultWithDiagnostics
-import kotlin.script.experimental.api.ScriptCompilationConfiguration
-import kotlin.script.experimental.util.PropertiesCollection
-
-interface ReplCommandProcessor {
-    suspend operator fun invoke(
-        command: String,
-        state: ReplStageState<*>
-    ): ResultWithDiagnostics<EvaluationResult>
-}
-
-data class ReplCommand(val commandName: String, val processor: ReplCommandProcessor)
-
-interface ReplHostEnvironmentKeys
-
-class ReplHostEnvironment(baseReplHostEnvironments: Iterable<ReplHostEnvironment>, body: Builder.() -> Unit) :
-    PropertiesCollection(Builder(baseReplHostEnvironments).apply(body).data) {
-
-    constructor(body: Builder.() -> Unit = {}) : this(emptyList(), body)
-    constructor(
-        vararg baseReplHostEnvironments: ReplHostEnvironment, body: Builder.() -> Unit = {}
-    ) : this(baseReplHostEnvironments.asIterable(), body)
-
-    class Builder internal constructor(baseReplHostEnvironments: Iterable<ReplHostEnvironment>) :
-        ReplHostEnvironmentKeys,
-        PropertiesCollection.Builder(baseReplHostEnvironments)
-
-    companion object : ReplHostEnvironmentKeys
-}
-
-val ReplHostEnvironmentKeys.replCommands by PropertiesCollection.key<List<ReplCommand>>()
-
-abstract class ReplHost(
-    val environment: ReplHostEnvironment,
-    val checker: ReplSnippetChecker,
-    val compiler: ReplSnippetCompiler,
-    val evaluator: ReplSnippetEvaluator
-) {
-    open fun <T> runInCoroutineContext(block: suspend CoroutineScope.() -> T): T = runBlocking { block() }
-
-    abstract fun eval(
-        snippet: ReplSnippetSource,
-        state: ReplStageState<*>,
-        scriptCompilationConfiguration: ScriptCompilationConfiguration,
-        replEvaluationEnvironment: ReplEvaluationEnvironment
-    ): ResultWithDiagnostics<EvaluationResult>
-}