diff --git a/src/QMCWaveFunctions/WaveFunction.cpp b/src/QMCWaveFunctions/WaveFunction.cpp
index cadf628c7..2d90467cc 100644
--- a/src/QMCWaveFunctions/WaveFunction.cpp
+++ b/src/QMCWaveFunctions/WaveFunction.cpp
@@ -9,7 +9,6 @@
 // File created by: Jeongnim Kim, jeongnim.kim@intel.com, Intel Corp.
 ////////////////////////////////////////////////////////////////////////////////
 // -*- C++ -*-
-#include <omp.h>
 #include <QMCWaveFunctions/WaveFunction.h>
 #include <Input/Input.hpp>
 
diff --git a/src/QMCWaveFunctions/WaveFunctionRef.cpp b/src/QMCWaveFunctions/WaveFunctionRef.cpp
index 4e2a878f3..e6195b937 100644
--- a/src/QMCWaveFunctions/WaveFunctionRef.cpp
+++ b/src/QMCWaveFunctions/WaveFunctionRef.cpp
@@ -9,7 +9,6 @@
 // File created by: Jeongnim Kim, jeongnim.kim@intel.com, Intel Corp.
 ////////////////////////////////////////////////////////////////////////////////
 // -*- C++ -*-
-#include <omp.h>
 #include <QMCWaveFunctions/WaveFunction.h>
 #include <Input/Input.hpp>