diff --git a/app/src/main/java/de/kuschku/util/certificates/SQLiteCertificateManager.java b/app/src/main/java/de/kuschku/util/certificates/SQLiteCertificateManager.java
index 60a65f0114a2466dab4d861b1c20315dbd5c0533..74f653d92ff88bed97aa90d2c531adb15529da34 100644
--- a/app/src/main/java/de/kuschku/util/certificates/SQLiteCertificateManager.java
+++ b/app/src/main/java/de/kuschku/util/certificates/SQLiteCertificateManager.java
@@ -44,7 +44,6 @@ public class SQLiteCertificateManager implements CertificateManager {
     @Override
     public boolean isTrusted(@NonNull X509Certificate certificate, @NonNull ServerAddress core) {
         try {
-            certificate.checkValidity();
             return handler.findCertificates(core.host).contains(CertificateUtils.certificateToFingerprint(certificate));
         } catch (Exception e) {
             return false;