diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/JetConstructor.java b/compiler/frontend/src/org/jetbrains/kotlin/psi/JetConstructor.kt
similarity index 100%
rename from compiler/frontend/src/org/jetbrains/kotlin/psi/JetConstructor.java
rename to compiler/frontend/src/org/jetbrains/kotlin/psi/JetConstructor.kt
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/JetPrimaryConstructor.java b/compiler/frontend/src/org/jetbrains/kotlin/psi/JetPrimaryConstructor.kt
similarity index 100%
rename from compiler/frontend/src/org/jetbrains/kotlin/psi/JetPrimaryConstructor.java
rename to compiler/frontend/src/org/jetbrains/kotlin/psi/JetPrimaryConstructor.kt
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/JetSecondaryConstructor.java b/compiler/frontend/src/org/jetbrains/kotlin/psi/JetSecondaryConstructor.kt
similarity index 100%
rename from compiler/frontend/src/org/jetbrains/kotlin/psi/JetSecondaryConstructor.java
rename to compiler/frontend/src/org/jetbrains/kotlin/psi/JetSecondaryConstructor.kt