diff --git a/build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootZipCopyAction.java b/build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootZipCopyAction.java
index c8cd2f43b7a..b0f369bbc83 100644
--- a/build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootZipCopyAction.java
+++ b/build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootZipCopyAction.java
@@ -324,11 +324,8 @@ class BootZipCopyAction implements CopyAction {
 
 		private void writeJarModeLibrary(String location, JarModeLibrary library) throws IOException {
 			String name = location + library.getName();
-			writeEntry(name, ZipEntryContentWriter.fromInputStream(library.openStream()), false, (entry) -> {
-				try (InputStream in = library.openStream()) {
-					prepareStoredEntry(library.openStream(), false, entry);
-				}
-			});
+			writeEntry(name, ZipEntryContentWriter.fromInputStream(library.openStream()), false,
+					(entry) -> prepareStoredEntry(library.openStream(), false, entry));
 			if (BootZipCopyAction.this.layerResolver != null) {
 				Layer layer = BootZipCopyAction.this.layerResolver.getLayer(library);
 				Assert.state(this.layerIndex != null, "'layerIndex' must not be null");