diff --git a/tests/gpuistl/test_GpuVector.cpp b/tests/gpuistl/test_GpuVector.cpp
index 954f466346..5eb704d229 100644
--- a/tests/gpuistl/test_GpuVector.cpp
+++ b/tests/gpuistl/test_GpuVector.cpp
@@ -151,7 +151,6 @@ BOOST_AUTO_TEST_CASE(TestDot)
     for (size_t i = 0; i < dataA.size(); ++i) {
         correctAnswer += dataA[i] * dataB[i];
     }
-    correctAnswer = correctAnswer;
     BOOST_CHECK_EQUAL(correctAnswer, dot);
 }