diff --git a/compiler/frontend/src/org/jetbrains/kotlin/checkers/utils/DebugInfoUtil.java b/compiler/frontend/src/org/jetbrains/kotlin/checkers/utils/DebugInfoUtil.kt
similarity index 100%
rename from compiler/frontend/src/org/jetbrains/kotlin/checkers/utils/DebugInfoUtil.java
rename to compiler/frontend/src/org/jetbrains/kotlin/checkers/utils/DebugInfoUtil.kt
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/AnalyzingUtils.java b/compiler/frontend/src/org/jetbrains/kotlin/resolve/AnalyzingUtils.kt
similarity index 100%
rename from compiler/frontend/src/org/jetbrains/kotlin/resolve/AnalyzingUtils.java
rename to compiler/frontend/src/org/jetbrains/kotlin/resolve/AnalyzingUtils.kt