diff --git a/appveyor.yml b/appveyor.yml
index 090c7d8d..da53ec11 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,55 +6,6 @@ environment:
     secure: HHNjmjxQSvgSY9Zde0qh6A==
 
   matrix:
-    - PYTHON: "C:/Python27"
-      BUILD_ENV: "Visual Studio 14"
-      BUILD_DIR: "build"
-      PYTHON_VERSION: "2.7"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 0
-
-    - PYTHON: "C:/Python27-x64"
-      BUILD_ENV: "Visual Studio 14 Win64"
-      BUILD_DIR: "build64"
-      PYTHON_VERSION: "2.7"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 0
-
-    - PYTHON: "C:/Python34"
-      BUILD_ENV: "Visual Studio 14"
-      BUILD_DIR: "build"
-      PYTHON_VERSION: "3.4"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 0
-
-    - PYTHON: "C:/Python34-x64"
-      BUILD_ENV: "Visual Studio 14 Win64"
-      BUILD_DIR: "build64"
-      PYTHON_VERSION: "3.4"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 0
-
-    - PYTHON: "C:/Python35"
-      BUILD_ENV: "Visual Studio 14"
-      BUILD_DIR: "build"
-      PYTHON_VERSION: "3.5"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 0
-
-    - PYTHON: "C:/Python35-x64"
-      BUILD_ENV: "Visual Studio 14 Win64"
-      BUILD_DIR: "build64"
-      PYTHON_VERSION: "3.5"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 0
-
-    - PYTHON: "C:/Python36"
-      BUILD_ENV: "Visual Studio 14"
-      BUILD_DIR: "build"
-      PYTHON_VERSION: "3.6"
-      NP_VERSION: "1.11.3"
-      ENABLE_CONTRIB: 0
-
     - PYTHON: "C:/Python36-x64"
       BUILD_ENV: "Visual Studio 14 Win64"
       BUILD_DIR: "build64"
@@ -62,62 +13,6 @@ environment:
       NP_VERSION: "1.11.3"
       ENABLE_CONTRIB: 0
 
-    - PYTHON: "C:/Python27"
-      BUILD_ENV: "Visual Studio 14"
-      BUILD_DIR: "build"
-      PYTHON_VERSION: "2.7"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 1
-
-    - PYTHON: "C:/Python27-x64"
-      BUILD_ENV: "Visual Studio 14 Win64"
-      BUILD_DIR: "build64"
-      PYTHON_VERSION: "2.7"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 1
-
-    - PYTHON: "C:/Python34"
-      BUILD_ENV: "Visual Studio 14"
-      BUILD_DIR: "build"
-      PYTHON_VERSION: "3.4"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 1
-
-    - PYTHON: "C:/Python34-x64"
-      BUILD_ENV: "Visual Studio 14 Win64"
-      BUILD_DIR: "build64"
-      PYTHON_VERSION: "3.4"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 1
-
-    - PYTHON: "C:/Python35"
-      BUILD_ENV: "Visual Studio 14"
-      BUILD_DIR: "build"
-      PYTHON_VERSION: "3.5"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 1
-
-    - PYTHON: "C:/Python35-x64"
-      BUILD_ENV: "Visual Studio 14 Win64"
-      BUILD_DIR: "build64"
-      PYTHON_VERSION: "3.5"
-      NP_VERSION: "1.11.1"
-      ENABLE_CONTRIB: 1
-
-    - PYTHON: "C:/Python36"
-      BUILD_ENV: "Visual Studio 14"
-      BUILD_DIR: "build"
-      PYTHON_VERSION: "3.6"
-      NP_VERSION: "1.11.3"
-      ENABLE_CONTRIB: 1
-
-    - PYTHON: "C:/Python36-x64"
-      BUILD_ENV: "Visual Studio 14 Win64"
-      BUILD_DIR: "build64"
-      PYTHON_VERSION: "3.6"
-      NP_VERSION: "1.11.3"
-      ENABLE_CONTRIB: 1
-
 install:
 - cmd: >-
 
diff --git a/opencv b/opencv
index 4af3ca4e..2ac57a2b 160000
--- a/opencv
+++ b/opencv
@@ -1 +1 @@
-Subproject commit 4af3ca4e4d7be246a49d751a79c6392e848ac2aa
+Subproject commit 2ac57a2b1fc0b49ddd07f3e3633461fcab5fc3f0