diff --git a/build_tools/requirements.txt b/build_tools/requirements.txt
index c00355eca1..0d4d43d8a7 100644
--- a/build_tools/requirements.txt
+++ b/build_tools/requirements.txt
@@ -6,7 +6,7 @@ pytest_qt
 pytest-mock
 unittest-xml-reporting
 tinycc 
-h5py 
+h5py
 sphinx
 pyparsing 
 html5lib 
diff --git a/setup.py b/setup.py
index 1195979830..f1526f7e91 100644
--- a/setup.py
+++ b/setup.py
@@ -93,7 +93,7 @@ def run(self):
 # Required packages
 required = [
     'bumps>=0.7.5.9', 'periodictable>=1.5.0', 'pyparsing>=2.0.0',
-    'lxml', 'h5py',
+    'lxml',
 ]
 
 if os.name == 'nt':