diff --git a/java-11-openjdk.spec b/java-11-openjdk.spec
index 4b88b11..4d525bd 100644
--- a/java-11-openjdk.spec
+++ b/java-11-openjdk.spec
@@ -125,11 +125,13 @@
 # is expected in one single case at the end of the build
 %global rev_build_loop  %{build_loop2} %{build_loop1}
 
-%if %{without bootstrap}
-%global release_targets bootcycle-images static-libs-image docs-zip
-%else
+# http://openjdk.java.net/groups/build/doc/building.html
+#if %{without bootstrap}
+#global release_targets bootcycle-images static-libs-image docs-zip
+#else
+# XXX there are problems with building bootcycle-images, turn them off for now, not really needed
 %global release_targets images docs-zip static-libs-image
-%endif
+#endif
 # No docs nor bootcycle for debug builds
 %global debug_targets images static-libs-image