Drop the old implementation of version 3.x.

.travis.yml

@@ -7,17 +7,17 @@ python:
     - 3.6
 env:
     - ENVIRON=py
-    - ENVIRON=py27-rp3,py27-datetime,py36-datetime
+    - ENVIRON=py27-datetime,py36-datetime
     - ENVIRON=isort,flake8,docs
 matrix:
     exclude:
         - env: ENVIRON=isort,flake8,docs
-        - env: ENVIRON=py27-rp3,py27-datetime,py36-datetime
+        - env: ENVIRON=py27-datetime,py36-datetime
     include:
         - python: "3.6"
           env: ENVIRON=py36-datetime,isort,flake8,docs
         - python: "2.7"
-          env: ENVIRON=py27-rp3,py27-datetime
+          env: ENVIRON=py27-datetime
 install:
     - pip install tox coveralls coverage
 script:

docs/CHANGES.rst

@@ -14,6 +14,10 @@ Changes
   ``RestrictedPython.Guards.safer_getattr()`` in your implementation to
   benefit from this fix.
 
+- Drop the old implementation of version 3.x: `RCompile.py`,
+  `SelectCompiler.py`, `MutatingWorker.py`, `RestrictionMutator.py` and
+  `tests/verify.py`.
+
 - Remove ``__len__`` method in ``.Guards._write_wrapper`` because it is no
   longer reachable by code using the wrapper.
 

setup.cfg

@@ -23,7 +23,6 @@ addopts =
 testpaths =
     .
     tests
-    src/RestrictedPython/tests
 
 norecursedirs = fixures
 
@@ -67,8 +66,6 @@ omit =
     # code branches and tests that that did not get executed.
     # Therefore we include tests into coverage analysis for the moment.
     #tests/*.py
-    #src/RestrictedPython/tests
-    #src/RestrictedPython/tests/*.py
 
 [coverage:report]
 precision = 2