diff --git a/jps/jps-builders/src/org/jetbrains/jps/incremental/storage/SourceToOutputMappingImpl.java b/jps/jps-builders/src/org/jetbrains/jps/incremental/storage/SourceToOutputMappingImpl.kt
similarity index 100%
rename from jps/jps-builders/src/org/jetbrains/jps/incremental/storage/SourceToOutputMappingImpl.java
rename to jps/jps-builders/src/org/jetbrains/jps/incremental/storage/SourceToOutputMappingImpl.kt