diff --git a/Classes/Core/BaseTestCase.php b/Classes/Core/BaseTestCase.php
index 6933db95..92659f21 100644
--- a/Classes/Core/BaseTestCase.php
+++ b/Classes/Core/BaseTestCase.php
@@ -51,10 +51,6 @@ protected function getAccessibleMock(
         $callOriginalClone = true,
         $callAutoload = true
     ) {
-        if ($originalClassName === '') {
-            throw new \InvalidArgumentException('$originalClassName must not be empty.', 1334701880);
-        }
-
         $mockBuilder = $this->getMockBuilder($this->buildAccessibleProxy($originalClassName))
             ->setConstructorArgs($arguments)
             ->setMockClassName($mockClassName);
@@ -106,10 +102,6 @@ protected function getAccessibleMockForAbstractClass(
         $callAutoload = true,
         $mockedMethods = []
     ) {
-        if ($originalClassName === '') {
-            throw new \InvalidArgumentException('$originalClassName must not be empty.', 1384268260);
-        }
-
         return $this->getMockForAbstractClass(
             $this->buildAccessibleProxy($originalClassName),
             $arguments,