diff --git a/libraries/stdlib/src/generated/_Arrays.kt b/libraries/stdlib/src/generated/_Arrays.kt
index 49e07b99d06..7502232b92a 100644
--- a/libraries/stdlib/src/generated/_Arrays.kt
+++ b/libraries/stdlib/src/generated/_Arrays.kt
@@ -9804,13 +9804,13 @@ public inline fun ShortArray.sumByDouble(selector: (Short) -> Double): Double {
 /**
  * Returns an original collection containing all the non-`null` elements, throwing an [IllegalArgumentException] if there are any `null` elements.
  */
-public fun <T : Any> Array<out T?>.requireNoNulls(): Array<out T> {
+public fun <T : Any> Array<T?>.requireNoNulls(): Array<T> {
     for (element in this) {
         if (element == null) {
             throw IllegalArgumentException("null element found in $this.")
         }
     }
-    return this as Array<out T>
+    return this as Array<T>
 }
 
 /**
diff --git a/libraries/tools/kotlin-stdlib-gen/src/templates/Guards.kt b/libraries/tools/kotlin-stdlib-gen/src/templates/Guards.kt
index bd8498198e0..61fb702b8b4 100644
--- a/libraries/tools/kotlin-stdlib-gen/src/templates/Guards.kt
+++ b/libraries/tools/kotlin-stdlib-gen/src/templates/Guards.kt
@@ -8,8 +8,7 @@ fun guards(): List<GenericFunction> {
     val templates = arrayListOf<GenericFunction>()
 
     templates add f("requireNoNulls()") {
-        include(Lists)
-        exclude(Strings, ArraysOfPrimitives)
+        only(Iterables, Sequences, InvariantArraysOfObjects, Lists)
         doc { "Returns an original collection containing all the non-`null` elements, throwing an [IllegalArgumentException] if there are any `null` elements." }
         typeParam("T : Any")
         toNullableT = true