diff --git a/appveyor.yml b/appveyor.yml
index a61e179404..9a9c93a079 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -55,20 +55,16 @@ for:
   install:
     - ver
     - chcp
-    - SET
     - SET BITS=%Platform:x86=32%
     - SET BITS=%BITS:x=%
     - SET OPENSSL_DIR=c:\OpenSSL-Win%BITS%
-    - SET VS140COMNTOOLS=C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\Tools\
     - CALL SET vcvars=%%^VS%VS%COMNTOOLS^%%..\..\VC\vcvarsall.bat
     - SET vcvars
-    - dir "C:\Program Files (x86)"
     - '"%vcvars%" %Platform:x64=amd64%'
     - SET ruby_path=C:\Ruby%ruby_version:-x86=%
     - SET PATH=\usr\local\bin;%ruby_path%\bin;%PATH%;C:\msys64\mingw64\bin;C:\msys64\usr\bin
     - ruby --version
     - 'cl'
-    - SET
     - echo> Makefile srcdir=.
     - echo>> Makefile MSC_VER=0
     - echo>> Makefile RT=none