diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 4aa5ec5e..8317c684 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -18,7 +18,6 @@ jobs:
     parameters:
       beforeConfigure: call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
       defaultLibrary: shared
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
@@ -45,7 +44,6 @@ jobs:
     parameters:
       beforeConfigure: call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
       defaultLibrary: static
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
@@ -73,7 +71,6 @@ jobs:
     parameters:
       beforeConfigure: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x86
       defaultLibrary: shared
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x86
@@ -100,7 +97,6 @@ jobs:
     parameters:
       beforeConfigure: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x86
       defaultLibrary: static
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x86
diff --git a/azure-pipelines/build-msbuild.yml b/azure-pipelines/build-msbuild.yml
deleted file mode 100644
index 69ab3598..00000000
--- a/azure-pipelines/build-msbuild.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-# 5 april 2019
-
-steps:
-- task: MSBuild@1
-  inputs:
-    solution: 'build/*.sln'
-    maximumCpuCount: true
-  displayName: 'Build'
diff --git a/azure-pipelines/build-ninja.yml b/azure-pipelines/build.yml
similarity index 100%
rename from azure-pipelines/build-ninja.yml
rename to azure-pipelines/build.yml
diff --git a/azure-pipelines/configure.yml b/azure-pipelines/configure.yml
index ec0c093e..aec307fe 100644
--- a/azure-pipelines/configure.yml
+++ b/azure-pipelines/configure.yml
@@ -3,10 +3,9 @@
 parameters:
   beforeConfigure: ''
   defaultLibrary: 'must-be-set'
-  backend: 'must-be-set'
 
 steps:
 - script: |
     ${{ parameters.beforeConfigure }}
-    meson setup build --buildtype=release --default-library=${{ parameters.defaultLibrary }} --backend=${{ parameters.backend }}
+    meson setup build --buildtype=release --default-library=${{ parameters.defaultLibrary }}
   displayName: 'Configure'
diff --git a/azure-pipelines_linux b/azure-pipelines_linux
index 6ed4cc61..05cb6cb6 100644
--- a/azure-pipelines_linux
+++ b/azure-pipelines_linux
@@ -19,7 +19,6 @@ jobs:
   - template: azure-pipelines/configure.yml
     parameters:
       defaultLibrary: shared
-      backend: ninja
   - template: azure-pipelines/build.yml
   - template: azure-pipelines/darwinunix-artifacts.yml
     parameters:
@@ -44,7 +43,6 @@ jobs:
   - template: azure-pipelines/configure.yml
     parameters:
       defaultLibrary: static
-      backend: ninja
   - template: azure-pipelines/build.yml
   - template: azure-pipelines/darwinunix-artifacts.yml
     parameters:
@@ -75,7 +73,6 @@ jobs:
     parameters:
       beforeConfigure: export SDKROOT=$(xcodebuild -version -sdk macosx10.14 Path)
       defaultLibrary: shared
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: export SDKROOT=$(xcodebuild -version -sdk macosx10.14 Path)
@@ -101,7 +98,6 @@ jobs:
     parameters:
       beforeConfigure: export SDKROOT=$(xcodebuild -version -sdk macosx10.14 Path)
       defaultLibrary: static
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: export SDKROOT=$(xcodebuild -version -sdk macosx10.14 Path)
diff --git a/azure-pipelines_main b/azure-pipelines_main
index 40926063..e0c7b312 100644
--- a/azure-pipelines_main
+++ b/azure-pipelines_main
@@ -18,7 +18,6 @@ jobs:
     parameters:
       beforeConfigure: call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
       defaultLibrary: shared
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
@@ -37,7 +36,6 @@ jobs:
     parameters:
       beforeConfigure: call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
       defaultLibrary: static
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
@@ -60,7 +58,6 @@ jobs:
     parameters:
       beforeConfigure: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" amd64
       defaultLibrary: shared
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" amd64
@@ -79,7 +76,6 @@ jobs:
     parameters:
       beforeConfigure: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" amd64
       defaultLibrary: static
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" amd64
@@ -102,7 +98,6 @@ jobs:
     parameters:
       beforeConfigure: export SDKROOT=$(xcodebuild -version -sdk macosx10.12 Path)
       defaultLibrary: shared
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: export SDKROOT=$(xcodebuild -version -sdk macosx10.12 Path)
@@ -121,7 +116,6 @@ jobs:
     parameters:
       beforeConfigure: export SDKROOT=$(xcodebuild -version -sdk macosx10.12 Path)
       defaultLibrary: static
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: export SDKROOT=$(xcodebuild -version -sdk macosx10.12 Path)
@@ -140,7 +134,6 @@ jobs:
     parameters:
       beforeConfigure: export SDKROOT=$(xcodebuild -version -sdk macosx10.13 Path)
       defaultLibrary: shared
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: export SDKROOT=$(xcodebuild -version -sdk macosx10.13 Path)
@@ -159,7 +152,6 @@ jobs:
     parameters:
       beforeConfigure: export SDKROOT=$(xcodebuild -version -sdk macosx10.13 Path)
       defaultLibrary: static
-      backend: ninja
   - template: azure-pipelines/build.yml
     parameters:
       beforeBuild: export SDKROOT=$(xcodebuild -version -sdk macosx10.13 Path)