diff --git a/test/core/js/modules/webcaosdb.js.js b/test/core/js/modules/webcaosdb.js.js
index ad26e8455fb7ca16a9e6e9687606b6aba1d0e7e6..d2ef27952e41142a62eb70e144571bc9d30c52d2 100644
--- a/test/core/js/modules/webcaosdb.js.js
+++ b/test/core/js/modules/webcaosdb.js.js
@@ -709,12 +709,6 @@ QUnit.test("removeAllErrorNotifications", function (assert) {
         '<div class="caosdb-preview-waiting-notification">Please wait!</div></div>')[0];
     let emptyElem = $('<div></div>')[0];
 
-    assert.throws(() => {
-        preview.removeAllErrorNotifications();
-    }, "no parameter throws");
-    assert.throws(() => {
-        preview.removeAllErrorNotifications(null);
-    }, "null parameter throws");
 
     assert.equal(okElem.childNodes.length, 3, "before: three children");
     assert.equal(okElem, preview.removeAllErrorNotifications(okElem), "return first parameter");
@@ -731,13 +725,6 @@ QUnit.test("removeAllWaitingNotifications", function (assert) {
         '<div class="caosdb-preview-error-notification">Error!</div></div>')[0];
     let emptyElem = $('<div></div>')[0];
 
-    assert.throws(() => {
-        removeAllWaitingNotifications();
-    }, "no parameter throws");
-    assert.throws(() => {
-        removeAllWaitingNotifications(null);
-    }, "null parameter throws");
-
     assert.equal(okElem.childNodes.length, 3, "before: three children");
     assert.equal(okElem, removeAllWaitingNotifications(okElem), "return first parameter");
     assert.equal(okElem.childNodes.length, 1, "after: one child");