diff --git a/algorithms_cpp/test/scan_test.cc b/algorithms_cpp/test/scan_test.cc
index f1e10d0..47988df 100644
--- a/algorithms_cpp/test/scan_test.cc
+++ b/algorithms_cpp/test/scan_test.cc
@@ -115,13 +115,9 @@ void ScanTest::TestFunctionPointers() {
   std::vector<int> vector(kCountSize);
   std::vector<int> init(kCountSize);
   std::vector<int> outputVector(kCountSize);
-  int sum = 0;
-  int sqr_sum = 0;
   for (size_t i = 0; i < kCountSize; i++) {
     vector[i] = static_cast<int>(i+2);
     init[i] = 0;
-    sum += static_cast<int>(i + 2);
-    sqr_sum += static_cast<int>((i + 2) * (i + 2));
   }
 
   Scan(vector.begin(), vector.end(), outputVector.begin(), 0, &AddFunction);
diff --git a/algorithms_cpp/test/zip_iterator_test.cc b/algorithms_cpp/test/zip_iterator_test.cc
index 6d59aba..0b85671 100644
--- a/algorithms_cpp/test/zip_iterator_test.cc
+++ b/algorithms_cpp/test/zip_iterator_test.cc
@@ -110,14 +110,14 @@ void ZipIteratorTest::TestZipReduce() {
     sum += static_cast<long>((i + 2) * (i + 2));
   }
 
-  std::vector<int>::const_iterator iterA;
-  std::vector<int>::const_iterator iterB;
   embb::algorithms::ZipIterator<constVectorIterator, constVectorIterator>
-  start_iterator = embb::algorithms::Zip(iterA = vectorA.begin(),
-     iterB = vectorB.begin());
+  start_iterator = embb::algorithms::Zip(
+    std::vector<int>::const_iterator(vectorA.begin()),
+    std::vector<int>::const_iterator(vectorB.begin()));
   embb::algorithms::ZipIterator<constVectorIterator, constVectorIterator>
-  end_iterator = embb::algorithms::Zip(iterA = vectorA.end(),
-     iterB = vectorB.end());
+  end_iterator = embb::algorithms::Zip(
+    std::vector<int>::const_iterator(vectorA.end()),
+    std::vector<int>::const_iterator(vectorB.end()));
 
   PT_EXPECT_EQ(embb::algorithms::Reduce(start_iterator, end_iterator, 0,
       std::plus<int>(), DotProductFunctor()), sum);