diff --git a/src/cached.cr b/src/cached.cr
index 85eb8a6..f2a7569 100644
--- a/src/cached.cr
+++ b/src/cached.cr
@@ -105,4 +105,9 @@ class DODB::CachedDataBase(V) < DODB::Storage(V)
 		@data.delete key
 		value
 	end
+
+	private def remove_data!
+		super
+		@data = Hash(Int32, V).new
+	end
 end