diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8142184415..e3391456be 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -23,22 +23,15 @@ jobs:
     build:
         name:   Build Release
         strategy:
+            # FIXME(sproul): fix xdelta build for ARM
             matrix:
-                arch: [aarch64-unknown-linux-gnu,
-                       aarch64-unknown-linux-gnu-portable,
-                       x86_64-unknown-linux-gnu,
+                arch: [x86_64-unknown-linux-gnu,
                        x86_64-unknown-linux-gnu-portable,
                        x86_64-apple-darwin,
                        x86_64-apple-darwin-portable,
                        x86_64-windows,
                        x86_64-windows-portable]
                 include:
-                    -   arch: aarch64-unknown-linux-gnu
-                        platform: ubuntu-latest
-                        profile: maxperf
-                    -   arch: aarch64-unknown-linux-gnu-portable
-                        platform: ubuntu-latest
-                        profile: maxperf
                     -   arch: x86_64-unknown-linux-gnu
                         platform: ubuntu-latest
                         profile: maxperf