diff --git a/.github/scripts/run-firefox.sh b/.github/scripts/run-firefox.sh
index fd9ac6b..95aa809 100644
--- a/.github/scripts/run-firefox.sh
+++ b/.github/scripts/run-firefox.sh
@@ -1,32 +1,3 @@
 #!/usr/bin/env bash
 
-setup() {
-    # Ensure files to move exist
-    if [ ! -f manifest-v2.json ] || [ ! -f manifest.json ]; then
-        echo "manifest-v2.json or manifest.json was not found. Please run this script from the root of the extension."
-        exit 1
-    fi
-    # Copy the v2 manifest to use instead of the v3 manifest
-    mv manifest.json manifest-v3.json && mv manifest-v2.json manifest.json
-    # Run cleanup in case of Ctrl+C
-    trap cleanup SIGINT
-}
-
-cleanup() {
-    # Ensure files to move exist
-    if [ ! -f manifest-v3.json ] || [ ! -f manifest.json ]; then
-        echo "manifest-v3.json or manifest.json was not found. Please run this script from the root of the extension."
-        exit 1
-    fi
-    # Copy the v3 manifest back to the v2 manifest
-    mv manifest.json manifest-v2.json && mv manifest-v3.json manifest.json
-}
-
-run() {
-    # Run extension in Firefox development mode
-    web-ext run
-}
-
-setup
-run
-cleanup
+web-ext run
diff --git a/.github/scripts/sign-firefox.sh b/.github/scripts/sign-firefox.sh
index a9ecfa9..2cc1b7c 100644
--- a/.github/scripts/sign-firefox.sh
+++ b/.github/scripts/sign-firefox.sh
@@ -1,32 +1,3 @@
 #!/usr/bin/env bash
 
-setup() {
-    # Ensure files to move exist
-    if [ ! -f manifest-v2.json ] || [ ! -f manifest.json ]; then
-        echo "manifest-v2.json or manifest.json was not found. Please run this script from the root of the extension."
-        exit 1
-    fi
-    # Copy the v2 manifest to use instead of the v3 manifest
-    mv manifest.json manifest-v3.json && mv manifest-v2.json manifest.json
-    # Run cleanup in case of Ctrl+C
-    trap cleanup SIGINT
-}
-
-cleanup() {
-    # Ensure files to move exist
-    if [ ! -f manifest-v3.json ] || [ ! -f manifest.json ]; then
-        echo "manifest-v3.json or manifest.json was not found. Please run this script from the root of the extension."
-        exit 1
-    fi
-    # Copy the v3 manifest back to the v2 manifest
-    mv manifest.json manifest-v2.json && mv manifest-v3.json manifest.json
-}
-
-sign() {
-    # Sign the Firefox extension
-    web-ext sign --api-key=$JWT_USER --api-secret=$JWT_SECRET
-}
-
-setup
-sign
-cleanup
+web-ext sign --api-key=$JWT_USER --api-secret=$JWT_SECRET
diff --git a/manifest-v2.json b/manifest-v2.json
deleted file mode 100644
index e32e20c..0000000
--- a/manifest-v2.json
+++ /dev/null
@@ -1,45 +0,0 @@
-{
-    "manifest_version": 2,
-    "name": "Unedit and Undelete for Reddit",
-    "description": "Show original comments and posts from before they were edited or removed",
-    "version": "3.16.2",
-    "content_scripts": [
-        {
-            "run_at": "document_idle",
-            "matches": [
-                "*://*.reddit.com/",
-                "*://*.reddit.com/me/f/*",
-                "*://*.reddit.com/message/*",
-                "*://*.reddit.com/r/*",
-                "*://*.reddit.com/user/*"
-            ],
-            "exclude_matches": [
-                "*://*.reddit.com/*/about/banned*",
-                "*://*.reddit.com/*/about/contributors*",
-                "*://*.reddit.com/*/about/edit*",
-                "*://*.reddit.com/*/about/flair*",
-                "*://*.reddit.com/*/about/log*",
-                "*://*.reddit.com/*/about/moderators*",
-                "*://*.reddit.com/*/about/muted*",
-                "*://*.reddit.com/*/about/rules*",
-                "*://*.reddit.com/*/about/stylesheet*",
-                "*://*.reddit.com/*/about/traffic*",
-                "*://*.reddit.com/*/wiki/*",
-                "*://mod.reddit.com/*"
-            ],
-            "js": ["vendor/showdown.min.js", "script.js"]
-        }
-    ],
-    "web_accessible_resources": ["vendor/showdown.min.js.map"],
-    "page_action": {
-        "default_icon": "images/logo64.png",
-        "default_title": "Unedit and Undelete for Reddit"
-    },
-    "icons": {
-        "16": "images/logo16.png",
-        "32": "images/logo32.png",
-        "48": "images/logo48.png",
-        "128": "images/logo128.png"
-    },
-    "permissions": ["*://*.pushshift.io/*"]
-}
diff --git a/manifest.json b/manifest.json
index d0fef61..4046439 100644
--- a/manifest.json
+++ b/manifest.json
@@ -45,6 +45,5 @@
         "32": "images/logo32.png",
         "48": "images/logo48.png",
         "128": "images/logo128.png"
-    },
-    "host_permissions": ["https://api.pushshift.io/reddit/search/*"]
+    }
 }