diff --git a/js/js.translator/testData/box/expression/function/varargUInt.kt b/js/js.translator/testData/box/expression/function/varargUInt.kt
index 2d3917e2458..19dd6724354 100644
--- a/js/js.translator/testData/box/expression/function/varargUInt.kt
+++ b/js/js.translator/testData/box/expression/function/varargUInt.kt
@@ -1,4 +1,3 @@
-// LANGUAGE_VERSION: 1.5
 // KJS_WITH_FULL_RUNTIME
 // EXPECTED_REACHABLE_NODES: 1787
 package foo
diff --git a/js/js.translator/testData/box/inlineMultiModule/inlineMemberFunWithLambda.kt b/js/js.translator/testData/box/inlineMultiModule/inlineMemberFunWithLambda.kt
index 17971519e42..b1ea875b627 100644
--- a/js/js.translator/testData/box/inlineMultiModule/inlineMemberFunWithLambda.kt
+++ b/js/js.translator/testData/box/inlineMultiModule/inlineMemberFunWithLambda.kt
@@ -1,6 +1,5 @@
 // IGNORE_BACKEND: JS_IR_ES6
 // EXPECTED_REACHABLE_NODES: 1397
-// LANGUAGE_VERSION: 1.2
 // MODULE: lib
 // FILE: lib.kt
 open class C {
diff --git a/js/js.translator/testData/box/operatorOverloading/usingModInCaseModAssignNotAvailable.kt b/js/js.translator/testData/box/operatorOverloading/usingModInCaseModAssignNotAvailable.kt
index 926af90a94b..cf2718d2121 100644
--- a/js/js.translator/testData/box/operatorOverloading/usingModInCaseModAssignNotAvailable.kt
+++ b/js/js.translator/testData/box/operatorOverloading/usingModInCaseModAssignNotAvailable.kt
@@ -1,4 +1,4 @@
-// LANGUAGE_VERSION: 1.1
+// !LANGUAGE: -ProhibitOperatorMod
 // EXPECTED_REACHABLE_NODES: 1284
 package foo
 
diff --git a/js/js.translator/testData/box/propertyAccess/simpleLateInitIsInitialized.kt b/js/js.translator/testData/box/propertyAccess/simpleLateInitIsInitialized.kt
index 61bfb22e207..4f49484e8f5 100644
--- a/js/js.translator/testData/box/propertyAccess/simpleLateInitIsInitialized.kt
+++ b/js/js.translator/testData/box/propertyAccess/simpleLateInitIsInitialized.kt
@@ -1,5 +1,4 @@
 // EXPECTED_REACHABLE_NODES: 1294
-// LANGUAGE_VERSION: 1.2
 // WITH_RUNTIME
 
 fun deinitialize(foo: dynamic) {
diff --git a/js/js.translator/testData/box/reflection/primitives-11.kt b/js/js.translator/testData/box/reflection/primitives-11.kt
index f16efce7fe2..908084ed128 100644
--- a/js/js.translator/testData/box/reflection/primitives-11.kt
+++ b/js/js.translator/testData/box/reflection/primitives-11.kt
@@ -1,5 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1290
-// LANGUAGE_VERSION: 1.1
+// !LANGUAGE: -ProhibitGenericArrayClassLiteral
 import kotlin.reflect.KClass
 
 fun box(): String {