diff --git a/src/policy_cache.hpp b/src/policy_cache.hpp
index e4cc2ec9..30a83f38 100644
--- a/src/policy_cache.hpp
+++ b/src/policy_cache.hpp
@@ -134,5 +134,4 @@ public:
 private:
   unsigned  _max_size;
   Map       _cache;
-  strpool_t _strpool;
 };