diff --git a/build-common/src/org/jetbrains/kotlin/incremental/LookupStorage.kt b/build-common/src/org/jetbrains/kotlin/incremental/LookupStorage.kt
index 340b2437324..d4279ddab91 100644
--- a/build-common/src/org/jetbrains/kotlin/incremental/LookupStorage.kt
+++ b/build-common/src/org/jetbrains/kotlin/incremental/LookupStorage.kt
@@ -174,11 +174,19 @@ open class LookupStorage(targetDataDir: File) : BasicMapsOwner(targetDataDir) {
         flush(false)
     }
 
-    @TestOnly fun dump(lookupSymbols: Set<LookupSymbol>, basePath: File? = null): String {
+    @TestOnly
+    fun dump(lookupSymbols: Set<LookupSymbol>): String {
         flush(false)
 
         val sb = StringBuilder()
         val p = Printer(sb)
+
+        p.println("====== File to id map")
+        p.println(fileToId.dump())
+
+        p.println("====== Id to file map")
+        p.println(idToFile.dump())
+
         val lookupsStrings = lookupSymbols.groupBy { LookupSymbolKey(it.name, it.scope) }
 
         for (lookup in lookupMap.keys.sorted()) {
@@ -186,12 +194,11 @@ open class LookupStorage(targetDataDir: File) : BasicMapsOwner(targetDataDir) {
 
             val key = if (lookup in lookupsStrings) {
                 lookupsStrings[lookup]!!.map { "${it.scope}#${it.name}" }.sorted().joinToString(", ")
-            }
-            else {
+            } else {
                 lookup.toString()
             }
 
-            val value = fileIds.map { idToFile[it]?.let { if (basePath == null) it.absolutePath else it.toRelativeString(basePath) } ?: it.toString() }.sorted().joinToString(", ")
+            val value = fileIds.map { it.toString() }.sorted().joinToString(", ")
             p.println("$key -> $value")
         }