diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index aed3cd275996..95cfb37b7a94 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -130,8 +130,7 @@ jobs:
         # Use groups to avoid spamming the web interface. Pay attention
         # to COMMAS. Don't use a single big group so a single failure
         # does not block all other builds.
-        platform: [imx8ulp,
-                   rn rmb,
+        platform: [rn rmb,
                    mt8186 mt8195,
         ]
 
diff --git a/scripts/xtensa-build-all.sh b/scripts/xtensa-build-all.sh
index 72d1ee6205fb..2143f0fb6be2 100755
--- a/scripts/xtensa-build-all.sh
+++ b/scripts/xtensa-build-all.sh
@@ -8,7 +8,7 @@ set -e
 # Platforms built and tested by default in CI using the `-a` option.
 # They must have a toolchain available in the latest Docker image.
 DEFAULT_PLATFORMS=(
-    imx8m imx8ulp
+    imx8m
     rn rmb vangogh
     mt8186 mt8195
 )