diff --git a/manifests/fedora-coreos.yaml b/manifests/fedora-coreos.yaml
index 0af4eb6bf2..40c8e0ea91 100644
--- a/manifests/fedora-coreos.yaml
+++ b/manifests/fedora-coreos.yaml
@@ -23,6 +23,12 @@ conditional-include:
   - if: basearch != "s390x"
     # And remove some cruft from grub2
     include: grub2-removals.yaml
+  - if: basearch == "ppc64le"
+    # Need OSTree autopruning on ppc64le (because kernels aren't compressed)
+    # until we increase the size of /boot.
+    # https://github.com/coreos/fedora-coreos-tracker/issues/1247#issuecomment-1355314761
+    # https://github.com/coreos/fedora-coreos-tracker/issues/1495#issuecomment-1561765705
+    include: ostree-autoprune.yaml
 
 ostree-layers:
   - overlay/15fcos
diff --git a/manifests/ostree-autoprune.yaml b/manifests/ostree-autoprune.yaml
new file mode 100644
index 0000000000..44f3b4d370
--- /dev/null
+++ b/manifests/ostree-autoprune.yaml
@@ -0,0 +1,11 @@
+# Enable OSTree autopruning to help with /boot size constraints
+# https://github.com/coreos/fedora-coreos-tracker/issues/1495
+postprocess:
+  - |
+    #!/usr/bin/env bash
+    mkdir -p /usr/lib/systemd/system/ostree-finalize-staged.service.d
+    cat <<'EOF' > /usr/lib/systemd/system/ostree-finalize-staged.service.d/ostree-autoprune.conf
+    [Service]
+    # https://github.com/coreos/fedora-coreos-tracker/issues/1495
+    Environment=OSTREE_SYSROOT_OPTS=early-prune
+    EOF