Meh. Lets just use the crx folder for Opera.

Gruntfile.coffee

@@ -54,16 +54,6 @@ module.exports = (grunt) ->
             'tmp-<%= pkg.type %>/script.js'
           ]
 
-      opera:
-        options: concatOptions
-        files:
-          'builds/opera/manifest.json': 'src/General/meta/operamanifest.json'
-          'builds/opera/script.js': [
-            'src/General/meta/botproc.js'
-            'src/General/meta/banner.js'
-            'tmp-<%= pkg.type %>/script.js'
-          ]
-
       userjs:
         options: concatOptions
         src: [
@@ -101,7 +91,6 @@ module.exports = (grunt) ->
       build: [
         'concat:meta'
         'build-crx'
-        'build-opera'
         'build-userjs'
         'build-userscript'
       ]
@@ -147,7 +136,7 @@ module.exports = (grunt) ->
           level: 9
           pretty: true
         expand: true
-        cwd: 'builds/opera/'
+        cwd: 'builds/crx/'
         src: '**'
 
     clean:
@@ -187,14 +176,6 @@ module.exports = (grunt) ->
     'clean:tmpcrx'
   ]
 
-  grunt.registerTask 'build-opera', [
-    'set-build:crx'
-    'concat:coffee'
-    'coffee:script'
-    'concat:opera'
-    'clean:tmpcrx'
-  ]
-
   grunt.registerTask 'build-userjs', [
     'set-build:userjs'
     'concat:coffee'

builds/opera/manifest.json

@@ -1,21 +0,0 @@
-{
-  "name": "4chan X",
-  "version": "1.2.13",
-  "manifest_version": 2,
-  "description": "Cross-browser userscript for maximum lurking on 4chan.",
-  "icons": {
-    "16": "icon16.png",
-    "48": "icon48.png",
-    "128": "icon128.png"
-  },
-  "content_scripts": [{
-    "js": ["script.js"],
-    "matches": ["*://api.4chan.org/*","*://boards.4chan.org/*","*://images.4chan.org/*","*://sys.4chan.org/*"],
-    "all_frames": true,
-    "run_at": "document_start"
-  }],
-  "homepage_url": "http://seaweedchan.github.io/4chan-x/",
-  "permissions": [
-    "storage"
-  ]
-}

src/General/meta/operamanifest.json

@@ -1,21 +0,0 @@
-{
-  "name": "<%= meta.name %>",
-  "version": "<%= version %>",
-  "manifest_version": 2,
-  "description": "<%= description %>",
-  "icons": {
-    "16": "icon16.png",
-    "48": "icon48.png",
-    "128": "icon128.png"
-  },
-  "content_scripts": [{
-    "js": ["script.js"],
-    "matches": <%= JSON.stringify(meta.matches) %>,
-    "all_frames": true,
-    "run_at": "document_start"
-  }],
-  "homepage_url": "<%= meta.page %>",
-  "permissions": [
-    "storage"
-  ]
-}