diff --git a/taskcluster/.shared.yml b/taskcluster/.shared.yml
index ccbac8de..debc99bd 100644
--- a/taskcluster/.shared.yml
+++ b/taskcluster/.shared.yml
@@ -52,7 +52,6 @@ nodejs:
   win:
     sox: '/usr/bin/wget.exe https://sourceforge.net/projects/sox/files/sox/14.4.2/sox-14.4.2-win32.zip/download -O sox-14.4.2-win32.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_TASK_DIR/bin/ -tzip -aoa sox-14.4.2-win32.zip && rm sox-*zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/sox-14.4.2/:$PATH'
     prep_4: '/usr/bin/wget.exe https://nodejs.org/dist/v4.9.1/node-v4.9.1-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_TASK_DIR/bin/ -tzip -aoa node-v4.9.1-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v4.9.1-win-x64/:$PATH'
-    prep_5: '/usr/bin/wget.exe https://nodejs.org/dist/v5.12.0/node-v5.12.0-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_TASK_DIR/bin/ -tzip -aoa node-v5.12.0-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v5.12.0-win-x64/:$PATH'
     prep_6: '/usr/bin/wget.exe https://nodejs.org/dist/v6.14.4/node-v6.14.4-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_TASK_DIR/bin/ -tzip -aoa node-v6.14.4-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v6.14.4-win-x64/:$PATH'
     prep_7: '/usr/bin/wget.exe https://nodejs.org/dist/v7.10.1/node-v7.10.1-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_TASK_DIR/bin/ -tzip -aoa node-v7.10.1-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v7.10.1-win-x64/:$PATH'
     prep_8: '/usr/bin/wget.exe https://nodejs.org/dist/v8.12.0/node-v8.12.0-win-x64.zip && ""C:\Program Files\7-zip\7z.exe"" x -o$TASKCLUSTER_TASK_DIR/bin/ -tzip -aoa node-v8.12.0-win-x64.zip && rm node-*.zip && export PATH=$TASKCLUSTER_TASK_DIR/bin/node-v8.12.0-win-x64/:$PATH'
diff --git a/taskcluster/test-nodejs_5x-win-amd64-opt.yml b/taskcluster/test-nodejs_5x-win-amd64-opt.yml
deleted file mode 100644
index ff5a4428..00000000
--- a/taskcluster/test-nodejs_5x-win-amd64-opt.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-build:
-  template_file: test-win-opt-base.tyml
-  dependencies:
-    - "node-package-cpu"
-    - "test-training_upstream-linux-amd64-py27mu-opt"
-  system_setup:
-    >
-      ${nodejs.win.sox} && ${nodejs.win.prep_5}
-  args:
-    tests_cmdline: "${system.homedir.win}/DeepSpeech/ds/tc-node-tests.sh 5.x"
-  metadata:
-    name: "DeepSpeech Windows AMD64 CPU NodeJS 5.x tests"
-    description: "Testing DeepSpeech for Windows/AMD64 on NodeJS v5.x, CPU only, optimized version"