diff --git a/Framework/HistogramData/inc/MantidHistogramData/HistogramItem.h b/Framework/HistogramData/inc/MantidHistogramData/HistogramItem.h
index 39926be96eef442949100841d25c55d900e1a83b..724d6cde7386b5b411c8bbd2d15cf0b463286cf6 100644
--- a/Framework/HistogramData/inc/MantidHistogramData/HistogramItem.h
+++ b/Framework/HistogramData/inc/MantidHistogramData/HistogramItem.h
@@ -167,7 +167,6 @@ private:
   HistogramItem(const Histogram &histogram, const size_t index)
       : m_histogram(histogram), m_index(index) {}
 
-
   bool xModeIsPoints() const {
     return Histogram::XMode::Points == m_histogram.xMode();
   }
diff --git a/Framework/HistogramData/src/Histogram.cpp b/Framework/HistogramData/src/Histogram.cpp
index a6ecbfaa841558445115bc36b0152e1a812c6727..c2d4bc5df289b821e26ad980826da6b24e4116fd 100644
--- a/Framework/HistogramData/src/Histogram.cpp
+++ b/Framework/HistogramData/src/Histogram.cpp
@@ -286,11 +286,11 @@ void Histogram::resize(size_t n) {
 }
 
 HistogramIterator Histogram::begin() const {
-    return HistogramIterator(*this, 0);
+  return HistogramIterator(*this, 0);
 }
 
 HistogramIterator Histogram::end() const {
-    return HistogramIterator(*this, size());
+  return HistogramIterator(*this, size());
 }
 
 } // namespace HistogramData
diff --git a/Framework/HistogramData/test/HistogramIteratorTest.h b/Framework/HistogramData/test/HistogramIteratorTest.h
index 2ea0576cbd26b57a1c46f9adaf56cfd2bbdabfbb..4a7c707d281ebcc220ee72d31b82453465f5880d 100644
--- a/Framework/HistogramData/test/HistogramIteratorTest.h
+++ b/Framework/HistogramData/test/HistogramIteratorTest.h
@@ -293,7 +293,7 @@ public:
   void test_convert_counts_to_frequency_once_per_histogram() {
     double total = 0;
     for (size_t i = 0; i < nHists; i++) {
-      const auto& frequencies = m_hist.frequencies();
+      const auto &frequencies = m_hist.frequencies();
       for (auto &frequency : frequencies)
         total += frequency;
     }
@@ -312,8 +312,8 @@ public:
   void test_convert_counts_to_frequency_once_per_histogram_sparse() {
     double total = 0;
     for (size_t i = 0; i < nHists; i++) {
-      const auto& counts = m_hist.counts();
-      const auto& frequencies = m_hist.frequencies();
+      const auto &counts = m_hist.counts();
+      const auto &frequencies = m_hist.frequencies();
       for (size_t j = 0; j < histSize; ++j)
         if (counts[j] > histSize - 5)
           total += frequencies[j];