diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/KtDotQualifiedExpression.java b/compiler/frontend/src/org/jetbrains/kotlin/psi/KtDotQualifiedExpression.kt
similarity index 100%
rename from compiler/frontend/src/org/jetbrains/kotlin/psi/KtDotQualifiedExpression.java
rename to compiler/frontend/src/org/jetbrains/kotlin/psi/KtDotQualifiedExpression.kt
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/KtQualifiedExpression.java b/compiler/frontend/src/org/jetbrains/kotlin/psi/KtQualifiedExpression.kt
similarity index 100%
rename from compiler/frontend/src/org/jetbrains/kotlin/psi/KtQualifiedExpression.java
rename to compiler/frontend/src/org/jetbrains/kotlin/psi/KtQualifiedExpression.kt
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/psi/KtSafeQualifiedExpression.java b/compiler/frontend/src/org/jetbrains/kotlin/psi/KtSafeQualifiedExpression.kt
similarity index 100%
rename from compiler/frontend/src/org/jetbrains/kotlin/psi/KtSafeQualifiedExpression.java
rename to compiler/frontend/src/org/jetbrains/kotlin/psi/KtSafeQualifiedExpression.kt