diff --git a/build.gradle.kts b/build.gradle.kts
index 88504a9d..2a285ba1 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -122,17 +122,6 @@ tasks.getByName<Jar>("jar") {
     enabled = false
 }
 
-// unpack Spring Boot's fat jar for better Docker image layering
-tasks.register<JavaExec>("unpack") {
-    dependsOn(tasks.bootJar)
-    classpath = files(tasks.bootJar)
-    jvmArgs = listOf("-Djarmode=layertools")
-    args = "extract --destination ${layout.buildDirectory.get()}/dependency".split(" ")
-    doFirst {
-        delete("${layout.buildDirectory.get()}/dependency")
-    }
-}
-
 node {
     nodeProjectDir.set(file("${project.projectDir}/src/jelu-ui"))
     version.set("18.18.2")
diff --git a/ci/prepare-dockerhub.sh b/ci/prepare-dockerhub.sh
index d313ea8c..80dab96a 100755
--- a/ci/prepare-dockerhub.sh
+++ b/ci/prepare-dockerhub.sh
@@ -5,9 +5,6 @@
 
 source "$(dirname "$0")/docker-common.sh" $1 $2
 
-# Unpack fat jar
-./gradlew unpack
-
 # Build docker images (no push)
 docker buildx build \
     --platform $PLATFORMS \