diff --git a/.changeset/thin-terms-change.md b/.changeset/thin-terms-change.md
new file mode 100644
index 00000000000..8d08473a9f9
--- /dev/null
+++ b/.changeset/thin-terms-change.md
@@ -0,0 +1,5 @@
+---
+"app-builder-lib": major
+---
+
+Remove extra adapter field if core22 is set as base for snapcraft
diff --git a/packages/app-builder-lib/src/targets/snap.ts b/packages/app-builder-lib/src/targets/snap.ts
index b834e1009ae..2c498d70a8b 100644
--- a/packages/app-builder-lib/src/targets/snap.ts
+++ b/packages/app-builder-lib/src/targets/snap.ts
@@ -71,6 +71,10 @@ export default class SnapTarget extends Target {
     }
     if (options.base != null) {
       snap.base = options.base
+      // from core22 onwards adapter is legacy
+      if (Number(snap.base.split("core")[1]) >= 22) {
+        delete appDescriptor.adapter
+      }
     }
     if (options.grade != null) {
       snap.grade = options.grade