diff --git a/compiler/testData/codegen/box/classes/kt5347.kt b/compiler/testData/codegen/box/classes/kt5347.kt
index d97668acadd..cca6a97b08e 100644
--- a/compiler/testData/codegen/box/classes/kt5347.kt
+++ b/compiler/testData/codegen/box/classes/kt5347.kt
@@ -1,5 +1,5 @@
 fun test1(str: String): String {
-    @data class A(val x: Int) {
+    data class A(val x: Int) {
         fun foo() = str
     }
     return A(0).copy().foo()
@@ -7,7 +7,7 @@ fun test1(str: String): String {
 
 class TestClass(val x: String) {
     fun foo(): String {
-        @data class A(val x: Int) {
+        data class A(val x: Int) {
             fun foo() = this@TestClass.x
         }
         return A(0).copy().foo()
@@ -18,7 +18,7 @@ fun test2(str: String): String = TestClass(str).foo()
 
 fun test3(str: String): String {
     var xx = ""
-    @data class A(val x: Int) {
+    data class A(val x: Int) {
         fun foo(): String { xx = str; return xx }
     }
     return A(0).copy().foo()
@@ -27,7 +27,7 @@ fun test3(str: String): String {
 fun test4(str: String): String {
     var xx = ""
     fun bar(s: String): String { xx = s; return xx }
-    @data class A(val x: Int) {
+    data class A(val x: Int) {
         fun foo(): String = bar(str)
     }
     return A(0).copy().foo()
diff --git a/compiler/testData/codegen/box/localClasses/kt3389.kt b/compiler/testData/codegen/box/localClasses/kt3389.kt
index f5740b70ea1..abb515b1688 100644
--- a/compiler/testData/codegen/box/localClasses/kt3389.kt
+++ b/compiler/testData/codegen/box/localClasses/kt3389.kt
@@ -3,7 +3,7 @@ package t
 class Reproduce {
 
     fun test(): String {
-        @data class Foo(val bar: String, val baz: Int)
+        data class Foo(val bar: String, val baz: Int)
         val foo = Foo("OK", 5)
         return foo.bar
     }
diff --git a/compiler/testData/codegen/boxInline/simple/simpleEnum.2.kt b/compiler/testData/codegen/boxInline/simple/simpleEnum.2.kt
index c9fceb2653c..a65f1abc6a2 100644
--- a/compiler/testData/codegen/boxInline/simple/simpleEnum.2.kt
+++ b/compiler/testData/codegen/boxInline/simple/simpleEnum.2.kt
@@ -4,7 +4,7 @@ enum class MyEnum {
     K;
 
     //TODO: KT-4693
-    @inline fun <T> doSmth(a: T) : String {
+    inline fun <T> doSmth(a: T) : String {
         return a.toString() + K.name()
     }
 }
diff --git a/compiler/testData/codegen/script/inline.kts b/compiler/testData/codegen/script/inline.kts
index 6de32d8f42d..b341b9d8339 100644
--- a/compiler/testData/codegen/script/inline.kts
+++ b/compiler/testData/codegen/script/inline.kts
@@ -1,5 +1,5 @@
 // expected: rv: 2
-@inline fun foo(l: (Int) -> Int ): Int {
+inline fun foo(l: (Int) -> Int ): Int {
     return l(1)
 }
 
diff --git a/idea/testData/quickfix/migration/missingConstructorKeyword/manyFilesMuitliple.after.kt b/idea/testData/quickfix/migration/missingConstructorKeyword/manyFilesMuitliple.after.kt
index f62c0a567ee..65cdfa8653a 100644
--- a/idea/testData/quickfix/migration/missingConstructorKeyword/manyFilesMuitliple.after.kt
+++ b/idea/testData/quickfix/migration/missingConstructorKeyword/manyFilesMuitliple.after.kt
@@ -9,7 +9,7 @@ class A @Ann(1)private constructor(x: Int) {
     inner class B() // do not insert here
     inner class C        protected constructor() {
         fun foo() {
-            @data class Local private constructor()
+            data class Local private constructor()
         }
     }
 }
diff --git a/idea/testData/quickfix/migration/missingConstructorKeyword/manyFilesMuitliple.before.Main.kt b/idea/testData/quickfix/migration/missingConstructorKeyword/manyFilesMuitliple.before.Main.kt
index bbc90199f08..318e99d9b81 100644
--- a/idea/testData/quickfix/migration/missingConstructorKeyword/manyFilesMuitliple.before.Main.kt
+++ b/idea/testData/quickfix/migration/missingConstructorKeyword/manyFilesMuitliple.before.Main.kt
@@ -9,7 +9,7 @@ class A @Ann(1)<caret>private (x: Int) {
     inner class B() // do not insert here
     inner class C        protected                () {
         fun foo() {
-            @data class Local private()
+            data class Local private()
         }
     }
 }
diff --git a/idea/testData/quickfix/migration/obsoleteLabelSyntax/manyFilesMuitliple.after.kt b/idea/testData/quickfix/migration/obsoleteLabelSyntax/manyFilesMuitliple.after.kt
index 691951117b5..327d2eb2bf5 100644
--- a/idea/testData/quickfix/migration/obsoleteLabelSyntax/manyFilesMuitliple.after.kt
+++ b/idea/testData/quickfix/migration/obsoleteLabelSyntax/manyFilesMuitliple.after.kt
@@ -1,7 +1,7 @@
 // "Update obsolete label syntax in whole project" "true"
 // ERROR: Unresolved reference: @abc
+// ERROR: Unresolved reference: @ann
 // ERROR: Unresolved reference: @cde
-// ERROR: Unresolved reference: @data
 // ERROR: Unresolved reference: @labeled
 // ERROR: Unresolved reference: @loop
 // ERROR: Unresolved reference: @loop2
@@ -22,8 +22,8 @@
 // ERROR: Unresolved reference: notLabelAnnotation
 // ERROR: Unresolved reference: notLoop
 // ERROR: The label '@abc' does not denote a loop
+// ERROR: The label '@ann' does not denote a loop
 // ERROR: The label '@cde' does not denote a loop
-// ERROR: The label '@data' does not denote a loop
 // ERROR: The label '@loop' does not denote a loop
 // ERROR: The label '@loop2' does not denote a loop
 // ERROR: The label '@loop3' does not denote a loop
@@ -32,6 +32,8 @@
 
 fun run(block: () -> Unit) = block()
 
+annotation class ann
+
 notLabelAnnotation class A {
     fun foo() {
         loop@
@@ -64,8 +66,8 @@ notLabelAnnotation class A {
             return@labeled
         }
 
-        @data for (i in 1..100) {
-            continue@data
+        @ann for (i in 1..100) {
+            continue@ann
         }
 
         @ for (i in 1..100) {
diff --git a/idea/testData/quickfix/migration/obsoleteLabelSyntax/manyFilesMuitliple.before.Main.kt b/idea/testData/quickfix/migration/obsoleteLabelSyntax/manyFilesMuitliple.before.Main.kt
index 36d074e292a..3147a9ffc96 100644
--- a/idea/testData/quickfix/migration/obsoleteLabelSyntax/manyFilesMuitliple.before.Main.kt
+++ b/idea/testData/quickfix/migration/obsoleteLabelSyntax/manyFilesMuitliple.before.Main.kt
@@ -1,7 +1,7 @@
 // "Update obsolete label syntax in whole project" "true"
 // ERROR: Unresolved reference: @abc
+// ERROR: Unresolved reference: @ann
 // ERROR: Unresolved reference: @cde
-// ERROR: Unresolved reference: @data
 // ERROR: Unresolved reference: @labeled
 // ERROR: Unresolved reference: @loop
 // ERROR: Unresolved reference: @loop2
@@ -22,8 +22,8 @@
 // ERROR: Unresolved reference: notLabelAnnotation
 // ERROR: Unresolved reference: notLoop
 // ERROR: The label '@abc' does not denote a loop
+// ERROR: The label '@ann' does not denote a loop
 // ERROR: The label '@cde' does not denote a loop
-// ERROR: The label '@data' does not denote a loop
 // ERROR: The label '@loop' does not denote a loop
 // ERROR: The label '@loop2' does not denote a loop
 // ERROR: The label '@loop3' does not denote a loop
@@ -32,6 +32,8 @@
 
 fun run(block: () -> Unit) = block()
 
+annotation class ann
+
 notLabelAnnotation class A {
     fun foo() {
         @loop<caret>
@@ -64,8 +66,8 @@ notLabelAnnotation class A {
             return@labeled
         }
 
-        @data for (i in 1..100) {
-            continue@data
+        @ann for (i in 1..100) {
+            continue@ann
         }
 
         @ for (i in 1..100) {
diff --git a/js/js.translator/testData/inline/cases/anonymousObjectInlineMethod.kt b/js/js.translator/testData/inline/cases/anonymousObjectInlineMethod.kt
index 9ff87842187..9ac11b5216b 100644
--- a/js/js.translator/testData/inline/cases/anonymousObjectInlineMethod.kt
+++ b/js/js.translator/testData/inline/cases/anonymousObjectInlineMethod.kt
@@ -2,7 +2,7 @@ package foo
 
 fun add(a: Int, b: Int): Int {
     val o = object {
-        @inline fun add(a: Int, b: Int): Int = a + b
+        inline fun add(a: Int, b: Int): Int = a + b
     }
 
     return o.add(a, b)
diff --git a/js/js.translator/testData/inline/cases/callableReferenceOfLocalInline.kt b/js/js.translator/testData/inline/cases/callableReferenceOfLocalInline.kt
index c9872a2c4a9..4cbde44d9f9 100644
--- a/js/js.translator/testData/inline/cases/callableReferenceOfLocalInline.kt
+++ b/js/js.translator/testData/inline/cases/callableReferenceOfLocalInline.kt
@@ -1,7 +1,7 @@
 package foo
 
 fun multiplyBy(x: Int): () -> ((Int) -> Int) {
-    @inline fun applyMultiplication(y: Int): Int = x * y
+    inline fun applyMultiplication(y: Int): Int = x * y
 
     return { ::applyMultiplication }
 }
diff --git a/js/js.translator/testData/inline/cases/localInlineExtensionFunction.kt b/js/js.translator/testData/inline/cases/localInlineExtensionFunction.kt
index 83992789024..1cb475e867b 100644
--- a/js/js.translator/testData/inline/cases/localInlineExtensionFunction.kt
+++ b/js/js.translator/testData/inline/cases/localInlineExtensionFunction.kt
@@ -12,7 +12,7 @@ internal inline fun repeatAction(times: Int, action: () -> Unit) {
 }
 
 internal fun capturedInLambda(state: State, a: Int, b: Int): Int {
-    @inline fun State.inc() {
+    inline fun State.inc() {
         count++
     }
 
@@ -26,7 +26,7 @@ internal fun capturedInLambda(state: State, a: Int, b: Int): Int {
 
 internal fun declaredInLambda(state: State, a: Int, b: Int): Int {
     repeatAction(a)  {
-        @inline fun State.inc() {
+        inline fun State.inc() {
             count++
         }
 
diff --git a/js/js.translator/testData/inline/cases/localInlineFunction.kt b/js/js.translator/testData/inline/cases/localInlineFunction.kt
index 14acb661708..93b160369bd 100644
--- a/js/js.translator/testData/inline/cases/localInlineFunction.kt
+++ b/js/js.translator/testData/inline/cases/localInlineFunction.kt
@@ -12,7 +12,7 @@ internal inline fun repeatAction(times: Int, action: () -> Unit) {
 internal fun localWithoutCapture(a: Int, b: Int): Int {
     var sum = 0
 
-    @inline fun inc(x: Int): Int {
+    inline fun inc(x: Int): Int {
         return x + 1
     }
 
@@ -26,7 +26,7 @@ internal fun localWithoutCapture(a: Int, b: Int): Int {
 internal fun localWithCapture(a: Int, b: Int): Int {
     var sum = 0
 
-    @inline fun inc() {
+    inline fun inc() {
         sum++
     }
 
diff --git a/js/js.translator/testData/inline/cases/localInlineFunctionComplex.kt b/js/js.translator/testData/inline/cases/localInlineFunctionComplex.kt
index 5fdc6abe233..9fc44e9a407 100644
--- a/js/js.translator/testData/inline/cases/localInlineFunctionComplex.kt
+++ b/js/js.translator/testData/inline/cases/localInlineFunctionComplex.kt
@@ -11,21 +11,21 @@ internal inline fun repeatAction(times: Int, action: () -> Unit) {
 }
 
 internal fun add(state: State, a: Int, b: Int): Int {
-    @inline fun inc(a: Int): Int {
+    inline fun inc(a: Int): Int {
         return a + 1
     }
 
-    @inline fun inc1(a: Int): Int {
+    inline fun inc1(a: Int): Int {
         return inc(a)
     }
 
     repeatAction(a)  {
-        @inline fun inc2(a: Int): Int {
+        inline fun inc2(a: Int): Int {
             return inc1(a)
         }
 
         repeatAction(b) {
-            @inline fun State.inc() {
+            inline fun State.inc() {
                 count = inc2(count)
             }
 
diff --git a/js/js.translator/testData/inline/cases/localInlineFunctionDeclaredInLambda.kt b/js/js.translator/testData/inline/cases/localInlineFunctionDeclaredInLambda.kt
index 26f0b93936c..4accbf37829 100644
--- a/js/js.translator/testData/inline/cases/localInlineFunctionDeclaredInLambda.kt
+++ b/js/js.translator/testData/inline/cases/localInlineFunctionDeclaredInLambda.kt
@@ -13,7 +13,7 @@ internal fun localWithoutCapture(a: Int, b: Int): Int {
     var mult = 0
 
     repeatAction(a) {
-        @inline fun inc(x: Int): Int {
+        inline fun inc(x: Int): Int {
             return x + 1
         }
 
@@ -29,7 +29,7 @@ internal fun localWithCapture(a: Int, b: Int): Int {
     var mult = 0
 
     repeatAction(a) {
-        @inline fun inc() {
+        inline fun inc() {
             mult++
         }
 
diff --git a/js/js.translator/testData/inline/cases/localInlineFunctionNameClash.kt b/js/js.translator/testData/inline/cases/localInlineFunctionNameClash.kt
index 5217f706a71..a6755eb1c23 100644
--- a/js/js.translator/testData/inline/cases/localInlineFunctionNameClash.kt
+++ b/js/js.translator/testData/inline/cases/localInlineFunctionNameClash.kt
@@ -9,7 +9,7 @@ internal inline fun run(action: () -> Int): Int {
 internal fun add(a: Int, b: Int): Int {
     var sum = a + b
 
-    @inline fun getSum(): Int {
+    inline fun getSum(): Int {
         return sum
     }
 
diff --git a/js/js.translator/testData/inline/cases/localInlineFunctionReference.kt b/js/js.translator/testData/inline/cases/localInlineFunctionReference.kt
index 8375b522c82..43d55785a4f 100644
--- a/js/js.translator/testData/inline/cases/localInlineFunctionReference.kt
+++ b/js/js.translator/testData/inline/cases/localInlineFunctionReference.kt
@@ -1,7 +1,7 @@
 package foo
 
 fun multiplyBy(a: Int): (Int) -> Int {
-    @inline fun multiply(b: Int): Int = a * b
+    inline fun multiply(b: Int): Int = a * b
 
     return ::multiply
 }
diff --git a/js/js.translator/testData/inline/cases/simpleEnum.kt b/js/js.translator/testData/inline/cases/simpleEnum.kt
index ea409e09a67..15c7b50eb49 100644
--- a/js/js.translator/testData/inline/cases/simpleEnum.kt
+++ b/js/js.translator/testData/inline/cases/simpleEnum.kt
@@ -9,7 +9,7 @@ enum class MyEnum {
     K;
 
     //TODO: KT-4693
-    @inline fun <T> doSmth(a: T) : String {
+    inline fun <T> doSmth(a: T) : String {
         return a.toString() + K.name()
     }
 }
diff --git a/js/js.translator/testData/labels/cases/nestedLabelsInlinedClashingAtFunctionsWithClosure.kt b/js/js.translator/testData/labels/cases/nestedLabelsInlinedClashingAtFunctionsWithClosure.kt
index aa7590ef535..c5a53354956 100644
--- a/js/js.translator/testData/labels/cases/nestedLabelsInlinedClashingAtFunctionsWithClosure.kt
+++ b/js/js.translator/testData/labels/cases/nestedLabelsInlinedClashingAtFunctionsWithClosure.kt
@@ -9,9 +9,9 @@ class State() {
 }
 
 internal fun test(state: State) {
-    @inline fun test3() {
-        @inline fun test2() {
-            @inline fun test1() {
+    inline fun test3() {
+        inline fun test2() {
+            inline fun test1() {
                 loop@ for (i in 1..10) {
                     state.value++
                     if (i == 2) break@loop