diff --git a/src/main/java/org/olat/core/gui/media/ServletUtil.java b/src/main/java/org/olat/core/gui/media/ServletUtil.java
index d47bee277b1b54b9a0a8f4a7b8c35776aeeec532..06c3648272778d5aec29425c7e09c52b43161650 100644
--- a/src/main/java/org/olat/core/gui/media/ServletUtil.java
+++ b/src/main/java/org/olat/core/gui/media/ServletUtil.java
@@ -259,7 +259,6 @@ public class ServletUtil {
 		try(InputStream istream = (resourceInputStream instanceof BufferedInputStream)
 				? resourceInputStream : new BufferedInputStream(resourceInputStream, bufferSize)) {
 			stats.incrementConcurrentStreamCounter();
-			Thread.sleep(5000);
 			exception = copyRange(istream, ostream, range.start, range.end, bufferSize);
 		} catch(IOException e) {
 			handleIOException("Deliver range of data", e);