diff --git a/roles/build-extension/defaults/main.yaml b/roles/build-extension/defaults/main.yaml
new file mode 100644
index 0000000..2774de6
--- /dev/null
+++ b/roles/build-extension/defaults/main.yaml
@@ -0,0 +1 @@
+make_target: chromium_stable
diff --git a/roles/build-extension/tasks/main.yaml b/roles/build-extension/tasks/main.yaml
new file mode 100644
index 0000000..7759c47
--- /dev/null
+++ b/roles/build-extension/tasks/main.yaml
@@ -0,0 +1,6 @@
+- name: Build extension
+  make:
+    chdir: "{{ zuul.project.src_dir }}"
+    target: "{{ make_target }}"
+  environment:
+    PATH: /usr/local/go/bin:{{ ansible_env.PATH }}
diff --git a/roles/generate-ext-manifest/defaults/main.yaml b/roles/generate-ext-manifest/defaults/main.yaml
deleted file mode 100644
index 8aa92ec..0000000
--- a/roles/generate-ext-manifest/defaults/main.yaml
+++ /dev/null
@@ -1 +0,0 @@
-target_browser: CHROMIUM
diff --git a/roles/generate-ext-manifest/tasks/main.yaml b/roles/generate-ext-manifest/tasks/main.yaml
deleted file mode 100644
index 28fedba..0000000
--- a/roles/generate-ext-manifest/tasks/main.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-- name: Generate extension manifest
-  include_role:
-    name: go
-  vars:
-    go_command: "run generateManifest.go {{target_browser}}"
-    zuul_work_dir: "{{ zuul.project.src_dir }}"