diff --git a/scala.spec b/scala.spec
index abcc0fa..4f20701 100644
--- a/scala.spec
+++ b/scala.spec
@@ -205,9 +205,9 @@ chmod 755 tools/get-scala-*
 
 %build
 
-export ANT_OPTS="-Xms2048m -Xmx2048m %{do_bootstrap}"
+export ANT_OPTS="%{do_bootstrap}"
 
-%ant build %{docs_target} || exit 1
+%ant -v build %{docs_target} || exit 1
 pushd build/pack/lib
 mv scala-library.jar scala-library.jar.no
 bnd wrap --properties %{SOURCE1} --output scala-library.jar \