diff --git a/core/compiler.common/src/org/jetbrains/kotlin/resolve/checkers/OptInDescription.kt b/core/compiler.common/src/org/jetbrains/kotlin/resolve/checkers/OptInDescription.kt
index 253d99d3484..a6f40567c9f 100644
--- a/core/compiler.common/src/org/jetbrains/kotlin/resolve/checkers/OptInDescription.kt
+++ b/core/compiler.common/src/org/jetbrains/kotlin/resolve/checkers/OptInDescription.kt
@@ -22,3 +22,7 @@ data class OptInDescription(val annotationFqName: FqName, val severity: Severity
         )
     }
 }
+
+@Deprecated("Please use OptInDescription instead", ReplaceWith("OptInDescription"))
+@Suppress("unused")
+typealias Experimentality = OptInDescription