diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/AnnotationDescriptorLoader.java b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/AnnotationDescriptorLoader.kt
similarity index 100%
rename from core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/AnnotationDescriptorLoader.java
rename to core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/AnnotationDescriptorLoader.kt
diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/ConstantDescriptorLoader.java b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/ConstantDescriptorLoader.kt
similarity index 100%
rename from core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/ConstantDescriptorLoader.java
rename to core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/ConstantDescriptorLoader.kt
diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/DescriptorLoadersStorage.java b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/DescriptorLoadersStorage.kt
similarity index 100%
rename from core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/DescriptorLoadersStorage.java
rename to core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/DescriptorLoadersStorage.kt