diff --git a/appveyor.yml b/appveyor.yml
index 35e10c37..ff9481ee 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,77 +11,13 @@ environment:
   matrix:
     - PYTHON: "C:\\Python34_64"
       PYTHON_VERSION: "3.4"
-      PYTHON_ARCH: "32"
+      PYTHON_ARCH: "64"
       PANDAS_VERSION: "0.16.1"
       NUMPY_VERSION: "1.9.2"
       CONDA_PY: "34"
       CONDA_NPY: "19"
       SCIPY_VERSION: "0.15.1"
 
-#    - PYTHON: "C:\\Python27_64"
-#      PYTHON_VERSION: "2.7"
-#      PYTHON_ARCH: "32"
-#      PANDAS_VERSION: "0.16.1"
-#      NUMPY_VERSION: "1.9.2"
-#      CONDA_PY: "27"
-#      CONDA_NPY: "19"
-#      SCIPY_VERSION: "0.15.1"
-#
-#    - PYTHON: "C:\\Python34_64"
-#      PYTHON_VERSION: "3.4"
-#      PYTHON_ARCH: "32"
-#      PANDAS_VERSION: "0.17.1"
-#      NUMPY_VERSION: "1.10.2"
-#      CONDA_PY: "34"
-#      CONDA_NPY: "19"
-#      SCIPY_VERSION: "0.16.1"
-#
-#    - PYTHON: "C:\\Python27_64"
-#      PYTHON_VERSION: "2.7"
-#      PYTHON_ARCH: "32"
-#      PANDAS_VERSION: "0.17.1"
-#      NUMPY_VERSION: "1.10.2"
-#      CONDA_PY: "27"
-#      CONDA_NPY: "19"
-#      SCIPY_VERSION: "0.16.1"
-#
-#    - PYTHON: "C:\\Python34_64"
-#      PYTHON_VERSION: "3.4"
-#      PYTHON_ARCH: "32"
-#      PANDAS_VERSION: "0.16.1"
-#      NUMPY_VERSION: "1.9.2"
-#      CONDA_PY: "64"
-#      CONDA_NPY: "19"
-#      SCIPY_VERSION: "0.15.1"
-#
-#    - PYTHON: "C:\\Python27_64"
-#      PYTHON_VERSION: "2.7"
-#      PYTHON_ARCH: "32"
-#      PANDAS_VERSION: "0.16.1"
-#      NUMPY_VERSION: "1.9.2"
-#      CONDA_PY: "64"
-#      CONDA_NPY: "19"
-#      SCIPY_VERSION: "0.15.1"
-#
-#    - PYTHON: "C:\\Python34_64"
-#      PYTHON_VERSION: "3.4"
-#      PYTHON_ARCH: "32"
-#      PANDAS_VERSION: "0.17.1"
-#      NUMPY_VERSION: "1.10.2"
-#      CONDA_PY: "64"
-#      CONDA_NPY: "19"
-#      SCIPY_VERSION: "0.16.1"
-#
-#    - PYTHON: "C:\\Python27_64"
-#      PYTHON_VERSION: "2.7"
-#      PYTHON_ARCH: "64"
-#      PANDAS_VERSION: "0.17.1"
-#      NUMPY_VERSION: "1.10.2"
-#      CONDA_PY: "27"
-#      CONDA_NPY: "19"
-#      SCIPY_VERSION: "0.16.1"
-
-
 # We always use a 64-bit machine, but can build x86 distributions
 # with the PYTHON_ARCH variable (which is used by CMD_IN_ENV).
 platform: