diff --git a/compiler/tests-common/org/jetbrains/kotlin/codegen/GenerationUtils.java b/compiler/tests-common/org/jetbrains/kotlin/codegen/GenerationUtils.kt
similarity index 100%
rename from compiler/tests-common/org/jetbrains/kotlin/codegen/GenerationUtils.java
rename to compiler/tests-common/org/jetbrains/kotlin/codegen/GenerationUtils.kt
diff --git a/compiler/tests-common/org/jetbrains/kotlin/resolve/lazy/JvmResolveUtil.java b/compiler/tests-common/org/jetbrains/kotlin/resolve/lazy/JvmResolveUtil.kt
similarity index 100%
rename from compiler/tests-common/org/jetbrains/kotlin/resolve/lazy/JvmResolveUtil.java
rename to compiler/tests-common/org/jetbrains/kotlin/resolve/lazy/JvmResolveUtil.kt