diff --git a/benchmarks/GenericsBenchTypes.hs b/benchmarks/GenericsBenchTypes.hs
index 4aeb7ba7dcfcc25780e41e1e192f530ec274dc5d..65f1efa588b3997e97d20aa044b7da7daa4855e9 100644
--- a/benchmarks/GenericsBenchTypes.hs
+++ b/benchmarks/GenericsBenchTypes.hs
@@ -43,5 +43,4 @@ instance Binary SourceRepo
 instance Binary TestSuite
 instance Binary TestSuiteInterface
 instance Binary TestType
-instance Binary Version
 instance Binary VersionRange