diff --git a/content/device-sdk/mqtt-bundle/device-certificates.md b/content/device-sdk/mqtt-bundle/device-certificates.md
index c8c12fdd37..18cc2926f3 100644
--- a/content/device-sdk/mqtt-bundle/device-certificates.md
+++ b/content/device-sdk/mqtt-bundle/device-certificates.md
@@ -320,8 +320,6 @@ If you are using multiple intermediate certificates between the CA certificate a
     * If your keystore is in the JKS format: `keytool -import -file serverCertificate.pem -alias servercertificate -keystore deviceKeystore.jks`
 6. You can check the content of your keystore (or truststore) with the command: `keytool -list -v -keystore deviceKeystore.jks`
 
-### How to test created certificates with MQTT client
-
 ### Keystore and truststore
 
 Generate a keystore and a truststore as described in [Generating and signing certificates](#generating-and-signing-certificates) if you didn't do it yet.