diff --git a/tox.ini b/tox.ini
index 174c3b35..a4ac30af 100644
--- a/tox.ini
+++ b/tox.ini
@@ -39,7 +39,7 @@ commands =
     - coveralls
     codecov
 
-# no cython/numpy/pandas for py{py,py3,26,33,37}
+# no cython/numpy/pandas for py{py,py3,26,33,34}
 
 [testenv:py26]
 # no codecov and timer for py26
@@ -60,13 +60,6 @@ commands = {[extra]commands}
 
 [testenv:py34]
 # py34-compatible pandas
-deps =
-    {[extra]deps}
-    cython
-    numpy
-    pandas<0.21
-
-[testenv:py37]
 deps = {[extra]deps}
 commands = {[extra]commands}