diff --git a/compiler/testData/codegen/box/classes/kt2395.kt b/compiler/testData/codegen/box/classes/kt2395.kt
index fcbb440a840..40ee9b9495c 100644
--- a/compiler/testData/codegen/box/classes/kt2395.kt
+++ b/compiler/testData/codegen/box/classes/kt2395.kt
@@ -1,5 +1,3 @@
-// TODO: Enable when JS backend supports Java class library
-// IGNORE_BACKEND: JS
 import java.util.AbstractList
 
 class MyList(): AbstractList<String>() {
diff --git a/compiler/testData/codegen/box/fieldRename/delegates.kt b/compiler/testData/codegen/box/fieldRename/delegates.kt
index ed8c8a7387a..83501722a0e 100644
--- a/compiler/testData/codegen/box/fieldRename/delegates.kt
+++ b/compiler/testData/codegen/box/fieldRename/delegates.kt
@@ -1,6 +1,3 @@
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS
-
 import kotlin.reflect.KProperty
 
 public open class TestDelegate<T: Any>(private val initializer: () -> T) {
diff --git a/compiler/testData/codegen/box/objects/useImportedMember.kt b/compiler/testData/codegen/box/objects/useImportedMember.kt
index 0a2a56cba0a..83b806eb024 100644
--- a/compiler/testData/codegen/box/objects/useImportedMember.kt
+++ b/compiler/testData/codegen/box/objects/useImportedMember.kt
@@ -1,6 +1,3 @@
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS
-
 import C.f
 import C.p
 import C.ext
diff --git a/compiler/testData/codegen/box/objects/useImportedMemberFromCompanion.kt b/compiler/testData/codegen/box/objects/useImportedMemberFromCompanion.kt
index a99ec83cd9a..9523480b86a 100644
--- a/compiler/testData/codegen/box/objects/useImportedMemberFromCompanion.kt
+++ b/compiler/testData/codegen/box/objects/useImportedMemberFromCompanion.kt
@@ -1,6 +1,3 @@
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS
-
 import Class.C.f
 import Class.C.p
 import Class.C.ext
diff --git a/compiler/testData/codegen/box/properties/fieldInsideNested.kt b/compiler/testData/codegen/box/properties/fieldInsideNested.kt
index 4e5412e6b5a..cb49c6b46c7 100644
--- a/compiler/testData/codegen/box/properties/fieldInsideNested.kt
+++ b/compiler/testData/codegen/box/properties/fieldInsideNested.kt
@@ -1,6 +1,3 @@
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS
-
 abstract class Your {
     abstract val your: String
 
diff --git a/compiler/testData/codegen/box/strings/kt3571.kt b/compiler/testData/codegen/box/strings/kt3571.kt
index d3a08c17d89..960a37656a0 100644
--- a/compiler/testData/codegen/box/strings/kt3571.kt
+++ b/compiler/testData/codegen/box/strings/kt3571.kt
@@ -1,6 +1,3 @@
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS
-
 class Thing(delegate: CharSequence) : CharSequence by delegate
   
 fun box(): String {
diff --git a/compiler/testData/codegen/box/strings/kt5956.kt b/compiler/testData/codegen/box/strings/kt5956.kt
index 88fe15b2cd5..037ee9ac1dc 100644
--- a/compiler/testData/codegen/box/strings/kt5956.kt
+++ b/compiler/testData/codegen/box/strings/kt5956.kt
@@ -1,6 +1,3 @@
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS
-
 // KT-5956 java.lang.AbstractMethodError: test.Thing.subSequence(II)Ljava/lang/CharSequence
 
 class Thing(val delegate: CharSequence) : CharSequence {
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java b/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
index 0bb771765dc..c3552900130 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
@@ -3785,13 +3785,7 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
         @TestMetadata("kt2395.kt")
         public void testKt2395() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/classes/kt2395.kt");
-            try {
-                doTest(fileName);
-            }
-            catch (Throwable ignore) {
-                return;
-            }
-            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+            doTest(fileName);
         }
 
         @TestMetadata("kt2417.kt")
@@ -8804,13 +8798,7 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
         @TestMetadata("delegates.kt")
         public void testDelegates() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/fieldRename/delegates.kt");
-            try {
-                doTest(fileName);
-            }
-            catch (Throwable ignore) {
-                return;
-            }
-            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+            doTest(fileName);
         }
 
         @TestMetadata("genericPropertyWithItself.kt")
@@ -12863,25 +12851,13 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
         @TestMetadata("useImportedMember.kt")
         public void testUseImportedMember() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/objects/useImportedMember.kt");
-            try {
-                doTest(fileName);
-            }
-            catch (Throwable ignore) {
-                return;
-            }
-            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+            doTest(fileName);
         }
 
         @TestMetadata("useImportedMemberFromCompanion.kt")
         public void testUseImportedMemberFromCompanion() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/objects/useImportedMemberFromCompanion.kt");
-            try {
-                doTest(fileName);
-            }
-            catch (Throwable ignore) {
-                return;
-            }
-            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+            doTest(fileName);
         }
     }
 
@@ -13916,13 +13892,7 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
         @TestMetadata("fieldInsideNested.kt")
         public void testFieldInsideNested() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/properties/fieldInsideNested.kt");
-            try {
-                doTest(fileName);
-            }
-            catch (Throwable ignore) {
-                return;
-            }
-            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+            doTest(fileName);
         }
 
         @TestMetadata("fieldSimple.kt")
@@ -20810,13 +20780,7 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
         @TestMetadata("kt3571.kt")
         public void testKt3571() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/strings/kt3571.kt");
-            try {
-                doTest(fileName);
-            }
-            catch (Throwable ignore) {
-                return;
-            }
-            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+            doTest(fileName);
         }
 
         @TestMetadata("kt3652.kt")
@@ -20834,13 +20798,7 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
         @TestMetadata("kt5956.kt")
         public void testKt5956() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/strings/kt5956.kt");
-            try {
-                doTest(fileName);
-            }
-            catch (Throwable ignore) {
-                return;
-            }
-            throw new AssertionError("Looks like this test can be unmuted. Remove IGNORE_BACKEND directive for that.");
+            doTest(fileName);
         }
 
         @TestMetadata("kt881.kt")