diff --git a/benchmarks/LionBenchmark/SomeRocks.cpp b/benchmarks/LionBenchmark/SomeRocks.cpp
index 76174d4a1..30edd256c 100644
--- a/benchmarks/LionBenchmark/SomeRocks.cpp
+++ b/benchmarks/LionBenchmark/SomeRocks.cpp
@@ -5,7 +5,8 @@ void SomeRocks(Painter& sw)
 	static Painting rocks;
 
 	ONCELOCK {
-		rocks.Serialize(FileIn(GetDataFile("SomeRocks.painting")));
+		FileIn in(GetDataFile("SomeRocks.painting"));
+		rocks.Serialize(in);
 	}
 	
 	sw.EvenOdd();
diff --git a/benchmarks/idmapBench/idmapBench.upp b/benchmarks/idmapBench/idmapBench.upp
index a3ea3611a..83154451e 100644
--- a/benchmarks/idmapBench/idmapBench.upp
+++ b/benchmarks/idmapBench/idmapBench.upp
@@ -1,7 +1,5 @@
 description "C++ standard library vs. U++ Core benchmark\377";
 
-optimize_speed;
-
 uses
 	Core;