diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Kotlin2JsCompilerArgumentsSerializer.java b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Kotlin2JsCompilerArgumentsSerializer.kt
similarity index 100%
rename from jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Kotlin2JsCompilerArgumentsSerializer.java
rename to jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Kotlin2JsCompilerArgumentsSerializer.kt
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Kotlin2JvmCompilerArgumentsSerializer.java b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Kotlin2JvmCompilerArgumentsSerializer.kt
similarity index 100%
rename from jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Kotlin2JvmCompilerArgumentsSerializer.java
rename to jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Kotlin2JvmCompilerArgumentsSerializer.kt
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/KotlinCommonCompilerArgumentsSerializer.java b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/KotlinCommonCompilerArgumentsSerializer.kt
similarity index 100%
rename from jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/KotlinCommonCompilerArgumentsSerializer.java
rename to jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/KotlinCommonCompilerArgumentsSerializer.kt
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/KotlinCompilerSettingsSerializer.java b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/KotlinCompilerSettingsSerializer.kt
similarity index 100%
rename from jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/KotlinCompilerSettingsSerializer.java
rename to jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/KotlinCompilerSettingsSerializer.kt