diff --git a/DataFormats/NanoAOD/src/classes.h b/DataFormats/NanoAOD/src/classes.h
index 1e46b90b4acd7..acdf6f161f7cb 100644
--- a/DataFormats/NanoAOD/src/classes.h
+++ b/DataFormats/NanoAOD/src/classes.h
@@ -4,5 +4,3 @@
 #include "DataFormats/NanoAOD/interface/MergeableCounterTable.h"
 #include "DataFormats/NanoAOD/interface/UniqueString.h"
 #include "DataFormats/Common/interface/Wrapper.h"
-
-std::vector<int8_t> svi8;