diff --git a/compiler/util/src/org/jetbrains/kotlin/utils/Interner.java b/compiler/util/src/org/jetbrains/kotlin/utils/Interner.kt
similarity index 100%
rename from compiler/util/src/org/jetbrains/kotlin/utils/Interner.java
rename to compiler/util/src/org/jetbrains/kotlin/utils/Interner.kt