diff --git a/.gitignore b/.gitignore
index 3236ef3..cdc280d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,6 @@ gha-creds-*.json
 xcuserdata/
 contents.xcworkspacedata
 conductor
+
+# graft's local graph cache — regenerable, not committed (run `graft build`).
+/graft/
diff --git a/graft/.cache/session/36210e43-012f-4874-8151-1e13dae2ddb6.json b/graft/.cache/session/36210e43-012f-4874-8151-1e13dae2ddb6.json
deleted file mode 100644
index 214ea45..0000000
--- a/graft/.cache/session/36210e43-012f-4874-8151-1e13dae2ddb6.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "lastQuery": "split these into dedicated PRs, ensure these have tests, finish everything and return to me when you'Re done so I can review the PRs.",
-  "perAgentQuery": {},
-  "graftReads": 0,
-  "sourceReads": 0,
-  "savedTokens": 0,
-  "injectedPointers": [],
-  "nudges": 0,
-  "inputCostMicros": 926601,
-  "inputTokensBilled": 1027831,
-  "lastBillingUuid": "22e17cb0-ad65-4f0e-9f9a-2dc0cee0e078"
-}
\ No newline at end of file
diff --git a/graft/.cache/stats.json b/graft/.cache/stats.json
deleted file mode 100644
index 3d3ff38..0000000
--- a/graft/.cache/stats.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "nodeCount": 0,
-  "edgeCount": 0,
-  "languages": [],
-  "totalCount": 0,
-  "readyCount": 0,
-  "staleCount": 0,
-  "dirty": true,
-  "syncing": false,
-  "syncedAt": null,
-  "lastFile": "check-inlinable.sh"
-}
\ No newline at end of file