diff --git a/plugins/stream-debugger/testData/chain/kotlin/collections/Simple.kt b/plugins/stream-debugger/testData/chain/kotlin/collections/Simple.kt
deleted file mode 100644
index 22161ddef035..000000000000
--- a/plugins/stream-debugger/testData/chain/kotlin/collections/Simple.kt
+++ /dev/null
@@ -1,3 +0,0 @@
-fun main(args: Array<String>) {
-  <caret>val toArray = listOf(1,2,3).map{it * it}
-}
\ No newline at end of file
diff --git a/plugins/stream-debugger/testData/chain/kotlin/javaStreams/Simple.kt b/plugins/stream-debugger/testData/chain/kotlin/javaStreams/Simple.kt
deleted file mode 100644
index 6923d63b87ce..000000000000
--- a/plugins/stream-debugger/testData/chain/kotlin/javaStreams/Simple.kt
+++ /dev/null
@@ -1,5 +0,0 @@
-import java.util.stream.Stream
-
-fun main(args: Array<String>) {
-  val toArray = <caret>Stream.of(1, 2, 3, 4).map { it % 2 == 0 }.toArray()
-}
\ No newline at end of file
diff --git a/plugins/stream-debugger/testData/chain/kotlin/sequence/Simple.kt b/plugins/stream-debugger/testData/chain/kotlin/sequence/Simple.kt
deleted file mode 100644
index 1fbdbbded46c..000000000000
--- a/plugins/stream-debugger/testData/chain/kotlin/sequence/Simple.kt
+++ /dev/null
@@ -1,3 +0,0 @@
-fun main(args: Array<String>) {
-  val toAr<caret>ray = listOf(1, 2, 3).asSequence().filter { it % 2 == 1 }.map { it * it }.toList()
-}
\ No newline at end of file
diff --git a/plugins/stream-debugger/testData/chain/negative/InLambdaWithBody.java b/plugins/stream-debugger/testData/chain/negative/InLambdaWithBody.java
index a7ce10de583d..5e41a0e19d31 100644
--- a/plugins/stream-debugger/testData/chain/negative/InLambdaWithBody.java
+++ b/plugins/stream-debugger/testData/chain/negative/InLambdaWithBody.java
@@ -4,6 +4,6 @@ public class InLambda {
   public static void main(String[] args) {
 <caret>    Runnable a = () -> {
       Stream.of(1,2).count();
-    }
+    };
   }
 }
diff --git a/plugins/stream-debugger/testData/chain/positive/location/BetweenChainCallsAfterDot.java b/plugins/stream-debugger/testData/chain/positive/location/BetweenChainCallsAfterDot.java
index 54ec0e07fcb0..58b72a46ec6a 100644
--- a/plugins/stream-debugger/testData/chain/positive/location/BetweenChainCallsAfterDot.java
+++ b/plugins/stream-debugger/testData/chain/positive/location/BetweenChainCallsAfterDot.java
@@ -1,18 +1,3 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 import java.util.function.Consumer;
 import java.util.stream.Stream;
 
diff --git a/plugins/stream-debugger/testData/chain/positive/location/InMethodReference.java b/plugins/stream-debugger/testData/chain/positive/location/InMethodReference.java
index 2ae3c08a22c5..9f800c36b39e 100644
--- a/plugins/stream-debugger/testData/chain/positive/location/InMethodReference.java
+++ b/plugins/stream-debugger/testData/chain/positive/location/InMethodReference.java
@@ -1,18 +1,3 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 import java.util.function.Consumer;
 import java.util.stream.Stream;
 
diff --git a/plugins/stream-debugger/testData/chain/positive/location/InString.java b/plugins/stream-debugger/testData/chain/positive/location/InString.java
index 8707a866fe90..b89ecf2bb81e 100644
--- a/plugins/stream-debugger/testData/chain/positive/location/InString.java
+++ b/plugins/stream-debugger/testData/chain/positive/location/InString.java
@@ -1,18 +1,3 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 import java.util.function.Consumer;
 import java.util.stream.Stream;
 
diff --git a/plugins/stream-debugger/testData/chain/positive/location/InVariableName.java b/plugins/stream-debugger/testData/chain/positive/location/InVariableName.java
index 88dca8e9865f..e9c437c34b6a 100644
--- a/plugins/stream-debugger/testData/chain/positive/location/InVariableName.java
+++ b/plugins/stream-debugger/testData/chain/positive/location/InVariableName.java
@@ -3,7 +3,7 @@ import java.util.stream.Stream;
 
 public class Bar {
   public static void main(String[] args) {
-    final String var = "abd"
+    final String var = "abd";
     final long count = Stream.of(va<caret>r, "acd", "ef").map(String::length).filter(x -> x % 2 == 0).peek(new Consumer<Integer>() {
       @Override
       public void accept(Integer x) {
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/arrayCreateFromElements.out b/plugins/stream-debugger/testData/dsl/kotlin/arrayCreateFromElements.out
deleted file mode 100644
index 791d46fe15c0..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/arrayCreateFromElements.out
+++ /dev/null
@@ -1 +0,0 @@
-val array: kotlin.DoubleArray = kotlin.doubleArrayOf(10.0, 20.0)
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/arrayDeclaration.out b/plugins/stream-debugger/testData/dsl/kotlin/arrayDeclaration.out
deleted file mode 100644
index 7618885354d6..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/arrayDeclaration.out
+++ /dev/null
@@ -1 +0,0 @@
-val a: kotlin.IntArray
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/arrayDefaultDeclaration.out b/plugins/stream-debugger/testData/dsl/kotlin/arrayDefaultDeclaration.out
deleted file mode 100644
index 45c03fc0e066..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/arrayDefaultDeclaration.out
+++ /dev/null
@@ -1 +0,0 @@
-val array: kotlin.IntArray = kotlin.IntArray(10)
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/arrayElementAssignment.out b/plugins/stream-debugger/testData/dsl/kotlin/arrayElementAssignment.out
deleted file mode 100644
index 513895951da1..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/arrayElementAssignment.out
+++ /dev/null
@@ -1,2 +0,0 @@
-a[0] = 1
-a[1] = 2
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/arrayElementUsage.out b/plugins/stream-debugger/testData/dsl/kotlin/arrayElementUsage.out
deleted file mode 100644
index 88928c335ebd..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/arrayElementUsage.out
+++ /dev/null
@@ -1,2 +0,0 @@
-a[10]!!
-a[11]!!
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/assignment.out b/plugins/stream-debugger/testData/dsl/kotlin/assignment.out
deleted file mode 100644
index 51511d06e4a0..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/assignment.out
+++ /dev/null
@@ -1,2 +0,0 @@
-var a: kotlin.Int
-a = 100
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/call.out b/plugins/stream-debugger/testData/dsl/kotlin/call.out
deleted file mode 100644
index 47792ef604b7..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/call.out
+++ /dev/null
@@ -1 +0,0 @@
-this.method()
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/callManyArgs.out b/plugins/stream-debugger/testData/dsl/kotlin/callManyArgs.out
deleted file mode 100644
index 6fdb0545bf2b..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/callManyArgs.out
+++ /dev/null
@@ -1 +0,0 @@
-this.method(10, 20, 30)
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/callOneArg.out b/plugins/stream-debugger/testData/dsl/kotlin/callOneArg.out
deleted file mode 100644
index ec06db15c94b..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/callOneArg.out
+++ /dev/null
@@ -1 +0,0 @@
-this.method(10)
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/codeBlockReturn.out b/plugins/stream-debugger/testData/dsl/kotlin/codeBlockReturn.out
deleted file mode 100644
index fb5d9fc70292..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/codeBlockReturn.out
+++ /dev/null
@@ -1,2 +0,0 @@
-var a: kotlin.Int = 10
-a
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/declareImmutableVariable.out b/plugins/stream-debugger/testData/dsl/kotlin/declareImmutableVariable.out
deleted file mode 100644
index 901fc03d8967..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/declareImmutableVariable.out
+++ /dev/null
@@ -1 +0,0 @@
-var a: kotlin.Int
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/declareMutableVariable.out b/plugins/stream-debugger/testData/dsl/kotlin/declareMutableVariable.out
deleted file mode 100644
index 901fc03d8967..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/declareMutableVariable.out
+++ /dev/null
@@ -1 +0,0 @@
-var a: kotlin.Int
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/declareVariableAndInit.out b/plugins/stream-debugger/testData/dsl/kotlin/declareVariableAndInit.out
deleted file mode 100644
index 60875e9f299c..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/declareVariableAndInit.out
+++ /dev/null
@@ -1 +0,0 @@
-val a: kotlin.Int = 10
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/forEach.out b/plugins/stream-debugger/testData/dsl/kotlin/forEach.out
deleted file mode 100644
index c7dff891a881..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/forEach.out
+++ /dev/null
@@ -1,4 +0,0 @@
-val objects: kotlin.collections.MutableList<kotlin.Any> = getObjects()
-for (object in objects) {
-  object.toString()
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/forLoop.out b/plugins/stream-debugger/testData/dsl/kotlin/forLoop.out
deleted file mode 100644
index a82d1e51313a..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/forLoop.out
+++ /dev/null
@@ -1,6 +0,0 @@
-val objects: kotlin.collections.MutableList<kotlin.Any> = getObjects()
-var i: kotlin.Int = 0
-while (i < objects.size()) {
-  i.toString()
-  i++
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/if.out b/plugins/stream-debugger/testData/dsl/kotlin/if.out
deleted file mode 100644
index ec9854799d91..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/if.out
+++ /dev/null
@@ -1,3 +0,0 @@
-if (true) {
-  receiver.success()
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/ifElse.out b/plugins/stream-debugger/testData/dsl/kotlin/ifElse.out
deleted file mode 100644
index 731ac34c8d19..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/ifElse.out
+++ /dev/null
@@ -1,5 +0,0 @@
-if (false) {
-  this.success()
-} else { 
-  this.fail()
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/ifElseIf.out b/plugins/stream-debugger/testData/dsl/kotlin/ifElseIf.out
deleted file mode 100644
index 1663c29e33cb..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/ifElseIf.out
+++ /dev/null
@@ -1,7 +0,0 @@
-if (false) {
-  this.success()
-} else { 
-  if (true) {
-    this.failSuccess()
-  }
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/ifElseIfElse.out b/plugins/stream-debugger/testData/dsl/kotlin/ifElseIfElse.out
deleted file mode 100644
index b988b4581436..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/ifElseIfElse.out
+++ /dev/null
@@ -1,9 +0,0 @@
-if (false) {
-  this.success()
-} else { 
-  if (true) {
-    this.failSuccess()
-  } else { 
-    this.failFail()
-  }
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/lambdaBlockReturn.out b/plugins/stream-debugger/testData/dsl/kotlin/lambdaBlockReturn.out
deleted file mode 100644
index a9298b210623..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/lambdaBlockReturn.out
+++ /dev/null
@@ -1,4 +0,0 @@
-{ y -> 
-  y.method1()
-  y
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/lambdaExpressionReturn.out b/plugins/stream-debugger/testData/dsl/kotlin/lambdaExpressionReturn.out
deleted file mode 100644
index 0d2d078a6bc0..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/lambdaExpressionReturn.out
+++ /dev/null
@@ -1,3 +0,0 @@
-{ y -> 
-  y
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/lambdaWithCodeBlock.out b/plugins/stream-debugger/testData/dsl/kotlin/lambdaWithCodeBlock.out
deleted file mode 100644
index 819fb3593df5..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/lambdaWithCodeBlock.out
+++ /dev/null
@@ -1,4 +0,0 @@
-{ y -> 
-  y.method1()
-  y.method2()
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/lambdaWithExpression.out b/plugins/stream-debugger/testData/dsl/kotlin/lambdaWithExpression.out
deleted file mode 100644
index 5fb6a5d4456d..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/lambdaWithExpression.out
+++ /dev/null
@@ -1,3 +0,0 @@
-{ x -> 
-  x.method()
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/linkedMapDeclaration.out b/plugins/stream-debugger/testData/dsl/kotlin/linkedMapDeclaration.out
deleted file mode 100644
index 3904a95e7f59..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/linkedMapDeclaration.out
+++ /dev/null
@@ -1 +0,0 @@
-var map: kotlin.collections.MutableMap<kotlin.Int, kotlin.Boolean>
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/linkedMapInitialization.out b/plugins/stream-debugger/testData/dsl/kotlin/linkedMapInitialization.out
deleted file mode 100644
index 2113ee3b28a6..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/linkedMapInitialization.out
+++ /dev/null
@@ -1 +0,0 @@
-val map: kotlin.collections.MutableMap<kotlin.Int, kotlin.Boolean> = kotlin.collections.linkedMapOf()
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/listDeclaration.out b/plugins/stream-debugger/testData/dsl/kotlin/listDeclaration.out
deleted file mode 100644
index 15cffca337c8..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/listDeclaration.out
+++ /dev/null
@@ -1 +0,0 @@
-var lst: kotlin.collections.MutableList<kotlin.Int>
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/listOperations.out b/plugins/stream-debugger/testData/dsl/kotlin/listOperations.out
deleted file mode 100644
index 693082075aad..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/listOperations.out
+++ /dev/null
@@ -1,5 +0,0 @@
-val lst: kotlin.collections.MutableList<kotlin.Long> = kotlin.collections.mutableListOf()
-lst.add(100)
-lst.get(0).methodWithSideEffect()
-lst.set(1, lst.get(0))
-lst.contains(lst.size)
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/loopWithBreak.out b/plugins/stream-debugger/testData/dsl/kotlin/loopWithBreak.out
deleted file mode 100644
index 8be657a5dc1e..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/loopWithBreak.out
+++ /dev/null
@@ -1,4 +0,0 @@
-val objects: kotlin.collections.MutableList<kotlin.Any> = getObjects()
-for (object in objects) {
-  break
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/loopWithNestedBreak.out b/plugins/stream-debugger/testData/dsl/kotlin/loopWithNestedBreak.out
deleted file mode 100644
index a4bac5924f71..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/loopWithNestedBreak.out
+++ /dev/null
@@ -1,6 +0,0 @@
-val objects: kotlin.collections.MutableList<kotlin.Any> = getObjects()
-for (object in objects) {
-  if (object.isEmpty) {
-    break
-  }
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mapComputeIfAbsent.out b/plugins/stream-debugger/testData/dsl/kotlin/mapComputeIfAbsent.out
deleted file mode 100644
index 4122060696fd..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mapComputeIfAbsent.out
+++ /dev/null
@@ -1,3 +0,0 @@
-map.getOrPut(key, { y -> 
-  map.method()
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mapContains.out b/plugins/stream-debugger/testData/dsl/kotlin/mapContains.out
deleted file mode 100644
index 01bfed93a00e..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mapContains.out
+++ /dev/null
@@ -1 +0,0 @@
-key in map
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mapConvertToArray.out b/plugins/stream-debugger/testData/dsl/kotlin/mapConvertToArray.out
deleted file mode 100644
index b51928ab4918..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mapConvertToArray.out
+++ /dev/null
@@ -1,13 +0,0 @@
-var resultArray: kotlin.Array<kotlin.Any?> = arrayOfNulls<kotlin.Any>(0)
-run {
-  val size: kotlin.Int = map.size
-  val keys: kotlin.IntArray = kotlin.IntArray(size)
-  val values: kotlin.Array<kotlin.Any?> = kotlin.arrayOfNulls(size)
-  var i: kotlin.Int = 0
-  for (key in map.keys) {
-    keys[i] = key
-    values[i] = map[key]
-    i++
-  }
-  resultArray = kotlin.arrayOf<kotlin.Any?>(keys, values)
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mapDeclaration.out b/plugins/stream-debugger/testData/dsl/kotlin/mapDeclaration.out
deleted file mode 100644
index 9bc9ef2af89a..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mapDeclaration.out
+++ /dev/null
@@ -1 +0,0 @@
-val map: kotlin.collections.MutableMap<kotlin.Int, kotlin.Boolean>
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mapGet.out b/plugins/stream-debugger/testData/dsl/kotlin/mapGet.out
deleted file mode 100644
index 88a45824a186..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mapGet.out
+++ /dev/null
@@ -1 +0,0 @@
-map[key]
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mapInitialization.out b/plugins/stream-debugger/testData/dsl/kotlin/mapInitialization.out
deleted file mode 100644
index 26497a5920ee..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mapInitialization.out
+++ /dev/null
@@ -1 +0,0 @@
-val map: kotlin.collections.MutableMap<kotlin.Int, kotlin.Int> = kotlin.collections.mutableMapOf()
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mapPut.out b/plugins/stream-debugger/testData/dsl/kotlin/mapPut.out
deleted file mode 100644
index 50f186f054a6..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mapPut.out
+++ /dev/null
@@ -1 +0,0 @@
-map[key] = value
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mergeCodeBlocks.out b/plugins/stream-debugger/testData/dsl/kotlin/mergeCodeBlocks.out
deleted file mode 100644
index 8d4ac6c3c726..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mergeCodeBlocks.out
+++ /dev/null
@@ -1,2 +0,0 @@
-val a: kotlin.Int = 10
-val b: kotlin.Int = 20
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/mergeCodeBlocksReversed.out b/plugins/stream-debugger/testData/dsl/kotlin/mergeCodeBlocksReversed.out
deleted file mode 100644
index 8d4ac6c3c726..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/mergeCodeBlocksReversed.out
+++ /dev/null
@@ -1,2 +0,0 @@
-val a: kotlin.Int = 10
-val b: kotlin.Int = 20
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/negation.out b/plugins/stream-debugger/testData/dsl/kotlin/negation.out
deleted file mode 100644
index 7177af514555..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/negation.out
+++ /dev/null
@@ -1 +0,0 @@
-!lst.contains(1)
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/nestedAssignment.out b/plugins/stream-debugger/testData/dsl/kotlin/nestedAssignment.out
deleted file mode 100644
index 2bb2f160d54d..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/nestedAssignment.out
+++ /dev/null
@@ -1,6 +0,0 @@
-var a: kotlin.Int
-if (true) {
-  a = 100
-} else { 
-  a = 200
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/nestedScopes.out b/plugins/stream-debugger/testData/dsl/kotlin/nestedScopes.out
deleted file mode 100644
index a084a731f706..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/nestedScopes.out
+++ /dev/null
@@ -1,6 +0,0 @@
-run {
-  this.method()
-  run {
-    this.method()
-  }
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/newList.out b/plugins/stream-debugger/testData/dsl/kotlin/newList.out
deleted file mode 100644
index a7218e639777..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/newList.out
+++ /dev/null
@@ -1 +0,0 @@
-lst = kotlin.collections.mutableListOf<kotlin.Int>(0, 1, 2, 3)
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/nullableTypes.out b/plugins/stream-debugger/testData/dsl/kotlin/nullableTypes.out
deleted file mode 100644
index 6a98470bd166..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/nullableTypes.out
+++ /dev/null
@@ -1,6 +0,0 @@
-val usualType: kotlin.Any
-val nullableType: kotlin.Any?
-val arrayWithNullableElements: kotlin.Array<kotlin.Any?>
-val nullableArrayWithNullableElements: kotlin.Array<kotlin.Any?>?
-val nullableList: kotlin.collections.MutableList<kotlin.Boolean>?
-val mapWithNullableValues: kotlin.collections.MutableMap<kotlin.Int, kotlin.Any?>
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/properties.out b/plugins/stream-debugger/testData/dsl/kotlin/properties.out
deleted file mode 100644
index 64b66a4f3d21..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/properties.out
+++ /dev/null
@@ -1 +0,0 @@
-a.myProperty
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/scope.out b/plugins/stream-debugger/testData/dsl/kotlin/scope.out
deleted file mode 100644
index 37cb66541774..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/scope.out
+++ /dev/null
@@ -1,3 +0,0 @@
-run {
-  this.method()
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/sizedArrayCreation.out b/plugins/stream-debugger/testData/dsl/kotlin/sizedArrayCreation.out
deleted file mode 100644
index 3edc361cc02e..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/sizedArrayCreation.out
+++ /dev/null
@@ -1 +0,0 @@
-arrayOfNulls<kotlin.String>(100)
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/timeVariableDeclaration.out b/plugins/stream-debugger/testData/dsl/kotlin/timeVariableDeclaration.out
deleted file mode 100644
index 9c191897d348..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/timeVariableDeclaration.out
+++ /dev/null
@@ -1 +0,0 @@
-val time: java.util.concurrent.atomic.AtomicInteger = java.util.concurrent.atomic.AtomicInteger()
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/tryBlock.out b/plugins/stream-debugger/testData/dsl/kotlin/tryBlock.out
deleted file mode 100644
index f0863995f4df..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/tryBlock.out
+++ /dev/null
@@ -1,5 +0,0 @@
-try {
-  this.hashCode()
-} catch(e : kotlin.Throwable) {
-  this.fail()
-}
diff --git a/plugins/stream-debugger/testData/dsl/kotlin/useVariable.out b/plugins/stream-debugger/testData/dsl/kotlin/useVariable.out
deleted file mode 100644
index 4691b8654935..000000000000
--- a/plugins/stream-debugger/testData/dsl/kotlin/useVariable.out
+++ /dev/null
@@ -1,2 +0,0 @@
-var a: kotlin.Int = 100
-val b: kotlin.Int = a
diff --git a/plugins/stream-debugger/testData/kotlinApp/src/Simple.kt b/plugins/stream-debugger/testData/kotlinApp/src/Simple.kt
deleted file mode 100644
index 6080f12ba04b..000000000000
--- a/plugins/stream-debugger/testData/kotlinApp/src/Simple.kt
+++ /dev/null
@@ -1,6 +0,0 @@
-import java.util.stream.Stream
-
-fun main(args: Array<String>) {
-  // Breakpoint!
-  val toArray = Stream.of(1, 2, 3, 4).map { it % 2 == 0 }.toArray()
-}
\ No newline at end of file