diff --git a/compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalJsCompilerRunner.kt b/compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalJsCompilerRunner.kt
index b8678d7affa..3e3e3d6cb53 100644
--- a/compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalJsCompilerRunner.kt
+++ b/compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalJsCompilerRunner.kt
@@ -170,7 +170,4 @@ class IncrementalJsCompilerRunner(
             args.freeArgs = freeArgsBackup
         }
     }
-
-    private val ChangedFiles.Known.allAsSequence: Sequence<File>
-        get() = modified.asSequence() + removed.asSequence()
 }
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