diff --git a/build.gradle.kts b/build.gradle.kts
index f765dbbb69f..d74b519dba6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -378,6 +378,7 @@ if (!isTeamcityBuild) {
                  when (task) {
                      is AbstractKotlinCompile<*> -> task.incremental = true
                      is JavaCompile -> task.options.isIncremental = true
+                     is org.gradle.jvm.tasks.Jar -> task.entryCompression = ZipEntryCompression.STORED
                  }
             }
         }
diff --git a/buildSrc/src/main/kotlin/stripMetadata.kt b/buildSrc/src/main/kotlin/stripMetadata.kt
index b784cd1270a..dfca8f72078 100644
--- a/buildSrc/src/main/kotlin/stripMetadata.kt
+++ b/buildSrc/src/main/kotlin/stripMetadata.kt
@@ -6,6 +6,7 @@ import java.io.BufferedOutputStream
 import java.io.File
 import java.io.FileOutputStream
 import java.util.jar.JarFile
+import java.util.zip.ZipEntry
 import java.util.zip.ZipOutputStream
 
 /**
@@ -47,8 +48,8 @@ fun stripMetadata(logger: Logger, classNamePattern: String, inFile: File, outFil
                     error("Size increased for ${entry.name}: was ${inBytes.size} bytes, became ${outBytes.size} bytes")
                 }
 
-                entry.compressedSize = -1L
-                outJar.putNextEntry(entry)
+                val newEntry = ZipEntry(entry.name)
+                outJar.putNextEntry(newEntry)
                 outJar.write(outBytes)
                 outJar.closeEntry()
             }