diff --git a/test-requirements-py2.txt b/test-requirements-py2.txt
deleted file mode 100644
index 0c10ead..0000000
--- a/test-requirements-py2.txt
+++ /dev/null
@@ -1 +0,0 @@
-ibm_db_sa>=0.3.0
diff --git a/test-requirements-py3.txt b/test-requirements-py3.txt
deleted file mode 100644
index 4a06ca2..0000000
--- a/test-requirements-py3.txt
+++ /dev/null
@@ -1 +0,0 @@
-ibm-db-sa-py3
diff --git a/test-requirements.txt b/test-requirements.txt
index c585609..bc8d8d2 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -19,6 +19,10 @@ testrepository>=0.0.17
 testtools>=0.9.34,<0.9.36
 tempest-lib>=0.1.0
 
+# db2 support
+ibm_db_sa>=0.3.0;python_version<'3.0'
+ibm-db-sa-py3;python_version>='3.0'
+
 scripttest
 # NOTE(rpodolyaka): This version identifier is currently necessary as
 #                   pytz otherwise does not install on pip 1.4 or higher
diff --git a/tox.ini b/tox.ini
index c4bf33b..c721a97 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,35 +16,29 @@ commands = bash tools/pretty_tox.sh '{posargs}'
 [testenv:py27]
 deps = sqlalchemy>=0.9
        -r{toxinidir}/test-requirements.txt
-       -r{toxinidir}/test-requirements-py2.txt
 
 [testenv:py27sa07]
 basepython = python2.7
 deps = sqlalchemy>=0.7,<=0.7.99
        -r{toxinidir}/test-requirements.txt
-       -r{toxinidir}/test-requirements-py2.txt
 
 [testenv:py27sa08]
 basepython = python2.7
 deps = sqlalchemy>=0.8,<=0.8.99
        -r{toxinidir}/test-requirements.txt
-       -r{toxinidir}/test-requirements-py2.txt
 
 [testenv:py27sa09]
 basepython = python2.7
 deps = sqlalchemy>=0.9,<=0.9.99
        -r{toxinidir}/test-requirements.txt
-       -r{toxinidir}/test-requirements-py2.txt
 
 [testenv:py33]
 deps = sqlalchemy>=0.9
        -r{toxinidir}/test-requirements.txt
-       -r{toxinidir}/test-requirements-py3.txt
 
 [testenv:py34]
 deps = sqlalchemy>=0.9
        -r{toxinidir}/test-requirements.txt
-       -r{toxinidir}/test-requirements-py3.txt
 
 [testenv:pep8]
 commands = flake8