diff --git a/packages/toolchain/tools/definition.yaml b/packages/toolchain/tools/definition.yaml
index fc46a3775d..88fcf6457d 100644
--- a/packages/toolchain/tools/definition.yaml
+++ b/packages/toolchain/tools/definition.yaml
@@ -120,9 +120,6 @@ requires:
   - name: libparserutils
     category: dev-libs
     version: '>=0'
-  - name: userspace-rcu
-    category: dev-libs
-    version: '>=0'
   - name: byacc
     category: dev-util
     version: '>=0'