diff --git a/js/js.libraries/src/deprecated/jquery/common.kt b/js/js.libraries/src/deprecated/jquery/common.kt
index 146a085cdf2..1ef7e8195f8 100644
--- a/js/js.libraries/src/deprecated/jquery/common.kt
+++ b/js/js.libraries/src/deprecated/jquery/common.kt
@@ -2,6 +2,7 @@ package jquery
 
 import org.w3c.dom.Element
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public external class JQuery() {
     public fun addClass(className: String): JQuery
     public fun addClass(f: Element.(Int, String) -> String): JQuery
@@ -42,6 +43,7 @@ public external class JQuery() {
     public fun `val`(): String?
 }
 
+@Deprecated("JQuery is going to be removed from the standard library")
 open public external class MouseEvent() {
     public val pageX: Double
     public val pageY: Double
@@ -49,19 +51,26 @@ open public external class MouseEvent() {
     public fun isDefaultPrevented(): Boolean
 }
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public external class MouseClickEvent() : MouseEvent {
     public val which: Int
 }
 
+@Deprecated("JQuery is going to be removed from the standard library")
 @JsName("$")
 public external fun jq(selector: String): JQuery
+@Deprecated("JQuery is going to be removed from the standard library")
 @JsName("$")
 public external fun jq(selector: String, context: Element): JQuery
+@Deprecated("JQuery is going to be removed from the standard library")
 @JsName("$")
 public external fun jq(callback: () -> Unit): JQuery
+@Deprecated("JQuery is going to be removed from the standard library")
 @JsName("$")
 public external fun jq(obj: JQuery): JQuery
+@Deprecated("JQuery is going to be removed from the standard library")
 @JsName("$")
 public external fun jq(el: Element): JQuery
+@Deprecated("JQuery is going to be removed from the standard library")
 @JsName("$")
 public external fun jq(): JQuery
diff --git a/js/js.libraries/src/deprecated/jquery/ui.kt b/js/js.libraries/src/deprecated/jquery/ui.kt
index 341caf0b358..12caa73d1b4 100644
--- a/js/js.libraries/src/deprecated/jquery/ui.kt
+++ b/js/js.libraries/src/deprecated/jquery/ui.kt
@@ -4,22 +4,32 @@ package jquery.ui
 //jquery UI
 import jquery.JQuery
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.buttonset(): JQuery = asDynamic().buttonset()
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.dialog(): JQuery = asDynamic().dialog()
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.dialog(params: Json): JQuery = asDynamic().dialog(params)
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.dialog(mode: String, param: String): Any? = asDynamic().dialog(mode, param)
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.dialog(mode: String): JQuery = asDynamic().dialog(mode)
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.dialog(mode: String, param: String, value: Any?): JQuery = asDynamic().dialog(mode, param, value)
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.button(): JQuery = asDynamic().button()
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.accordion(): JQuery = asDynamic().accordion()
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.draggable(params: Json): JQuery = asDynamic().draggable(params)
 
+@Deprecated("JQuery is going to be removed from the standard library")
 public inline fun JQuery.selectable(): JQuery = asDynamic().selectable()
diff --git a/js/js.libraries/src/deprecated/qunit/core.kt b/js/js.libraries/src/deprecated/qunit/core.kt
index 2752e87c31b..cd8bad736e5 100644
--- a/js/js.libraries/src/deprecated/qunit/core.kt
+++ b/js/js.libraries/src/deprecated/qunit/core.kt
@@ -4,5 +4,6 @@ package QUnit
  * The [QUnit](http://qunitjs.com/) API
  */
 
+@Deprecated("QUnit.ok is going to be removed from the standard library", level = DeprecationLevel.ERROR)
 public external fun ok(actual: Boolean, message: String?): Unit