diff --git a/src/ndarray/ndarray.cc b/src/ndarray/ndarray.cc
index ce591c4522b3..37aba4c2f13a 100644
--- a/src/ndarray/ndarray.cc
+++ b/src/ndarray/ndarray.cc
@@ -1078,7 +1078,7 @@ inline void CopyFromToRspImpl(const NDArray& from, const NDArray& to, RunContext
 // Make a copy of a dense NDArray
 template<typename from_xpu, typename to_xpu>
 inline void CopyFromToDnsImpl(const NDArray& from, const NDArray& to, RunContext ctx) {
-#if MXNET_USE_MKLDNN ==100 
+#if MXNET_USE_MKLDNN == 100
   // If neither is MKLDNN, we can copy data normally.
   if (!from.IsMKLDNNData() && !to.IsMKLDNNData()) {
 #endif
@@ -1616,7 +1616,6 @@ void NDArray::Save(dmlc::Stream *strm) const {
 #if MXNET_USE_MKLDNN == 1
     if (nd_cpu.IsMKLDNNData()) {
       LOG(FATAL) << "TODO: MKL-DNN 1.0";
-      
       nd_cpu = nd_cpu.Reorder2Default();
     }
 #endif
diff --git a/src/operator/nn/mkldnn/mkldnn_base-inl.h b/src/operator/nn/mkldnn/mkldnn_base-inl.h
index a88104cac7a6..eb4f1de09080 100644
--- a/src/operator/nn/mkldnn/mkldnn_base-inl.h
+++ b/src/operator/nn/mkldnn/mkldnn_base-inl.h
@@ -352,7 +352,7 @@ class MKLDNNStream {
  public:
   static MKLDNNStream *Get();
 
-  MKLDNNStream(): s(CpuEngine::Get()->get_engine()) {};
+  MKLDNNStream(): s(CpuEngine::Get()->get_engine()) {}
 
   void RegisterPrimArgs(const mkldnn::primitive &prim,
                         const mkldnn_args_map_t &args) {