diff --git a/build/org.eclipse.cdt.managedbuilder.core.tests/resources/oldTypeProjects/2.0/Benchmarks/subdir.mk b/build/org.eclipse.cdt.managedbuilder.core.tests/resources/oldTypeProjects/2.0/Benchmarks/subdir.mk
index 3ffb6812f0e..9e1a2ae104e 100644
--- a/build/org.eclipse.cdt.managedbuilder.core.tests/resources/oldTypeProjects/2.0/Benchmarks/subdir.mk
+++ b/build/org.eclipse.cdt.managedbuilder.core.tests/resources/oldTypeProjects/2.0/Benchmarks/subdir.mk
@@ -17,7 +17,7 @@ CPP_DEPS += \
 %.o: ../%.cpp
 	@echo 'Building file: $<'
 	@echo 'Invoking: GCC C++ Compiler'
-	g++ -O0 -g3 -pedantic -pedantic-errors -Wall -Werror -c -fmessage-length=0 -v -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -o"$@" "$<"
+	g++ -O2 -g1 -pedantic -pedantic-errors -Wall -Werror -c -fmessage-length=0 -v -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)" -o"$@" "$<"
 	@echo 'Finished building: $<'
 	@echo ' '