diff --git a/plugins/source-sections/source-sections-compiler/src/org/jetbrains/kotlin/sourceSections/FilteredSectionsVirtualFile.kt b/plugins/source-sections/source-sections-compiler/src/org/jetbrains/kotlin/sourceSections/FilteredSectionsVirtualFile.kt
index 5cfc199ae65..b986c19cd53 100644
--- a/plugins/source-sections/source-sections-compiler/src/org/jetbrains/kotlin/sourceSections/FilteredSectionsVirtualFile.kt
+++ b/plugins/source-sections/source-sections-compiler/src/org/jetbrains/kotlin/sourceSections/FilteredSectionsVirtualFile.kt
@@ -41,14 +41,7 @@ class FilteredSectionsVirtualFile(val delegate: VirtualFile, val sectionIds: Col
     override fun getTimeStamp(): Long = delegate.timeStamp
     override fun getName(): String = delegate.name
 
-    override fun contentsToByteArray(): ByteArray {
-        val res =  filterByteContents(sectionIds, delegate.contentsToByteArray(), delegate.charset)
-        val dbgDumpFile = delegate.canonicalPath?.let { java.io.File(it + ".${sectionIds.joinToString(".")}.dump") }
-        if (dbgDumpFile != null && !dbgDumpFile.exists()) {
-            dbgDumpFile.writeText(String(res))
-        }
-        return res
-    }
+    override fun contentsToByteArray(): ByteArray = filterByteContents(sectionIds, delegate.contentsToByteArray(), delegate.charset)
 
     override fun getInputStream(): InputStream = ByteArrayInputStream(contentsToByteArray())
 
diff --git a/plugins/source-sections/source-sections-compiler/tests/org/jetbrains/kotlin/sourceSections/SourceSectionsTest.kt b/plugins/source-sections/source-sections-compiler/tests/org/jetbrains/kotlin/sourceSections/SourceSectionsTest.kt
index ed64ac5b9c3..1368dbfde70 100644
--- a/plugins/source-sections/source-sections-compiler/tests/org/jetbrains/kotlin/sourceSections/SourceSectionsTest.kt
+++ b/plugins/source-sections/source-sections-compiler/tests/org/jetbrains/kotlin/sourceSections/SourceSectionsTest.kt
@@ -98,6 +98,7 @@ class SourceSectionsTest : TestCaseWithTmpdir() {
                 .lineSequence()
                 .map(String::trimEnd)
                 .toList()
+                .dropLastWhile { it.isBlank() }
     }
 
     fun testSourceSectionsFilter() {
@@ -110,7 +111,8 @@ class SourceSectionsTest : TestCaseWithTmpdir() {
             val filteredVF = fileCreator.createPreprocessedFile(StandardFileSystems.local().findFileByPath(source.canonicalPath))
             TestCase.assertNotNull("Cannot generate preprocessed file", filteredVF)
             val expected = expectedResult.inputStream().trimmedLines(Charset.defaultCharset())
-            val actual = ByteArrayInputStream(filteredVF!!.contentsToByteArray()).trimmedLines(filteredVF.charset)
+            val filteredBytes = filteredVF!!.contentsToByteArray()
+            val actual = ByteArrayInputStream(filteredBytes).trimmedLines(filteredVF.charset)
             TestCase.assertEquals("Unexpected result on preprocessing file '${source.name}'", expected, actual)
         }
     }