1 files changed, 1 insertions, 0 deletions

diff --git a/src/cachecalc.h b/src/cachecalc.h
index d0729a9..e23e6fd 100644
--- a/src/cachecalc.h
+++ b/src/cachecalc.h
@@ -37,6 +37,7 @@ namespace Bu
                 virtual void onLoad( obtype *pSrc, const keytype &key )=0;
                 virtual void onUnload( obtype *pSrc, const keytype &key )=0;
                 virtual void onDestroy( obtype *pSrc, const keytype &key )=0;
+                virtual void onDestroy( const keytype &key )=0;
                 virtual bool shouldSync( obtype *pSrc, const keytype &key,
                         time_t tLastSync )=0;
                 virtual void onTick() { };