diff --git a/requirements.txt b/requirements.txt
index 85d68752646958cbbe5bbb085728f8cc3c178482..c37479ddd104c16056e8abb1249edd8a15e82655 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,4 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr>=2.0 # Apache-2.0
-pytango>=9.3.0 # LGPL
\ No newline at end of file
+pbr>=2.0 # Apache-2.0
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index 85366102b1d4bff6ab231e342659e1a606cdae2b..1bd6bef4abadd7be647f36e553dd1b7fe1e661ff 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ skipsdist = True
 
 [testenv]
 usedevelop = True
+sitepackages = True
 install_command = pip3 install {opts} {packages}
 setenv =
    VIRTUAL_ENV={envdir}