diff --git a/recipes-core/packagegroups/packagegroup-ros-world-crystal.inc b/recipes-core/packagegroups/packagegroup-ros-world-crystal.inc
index e7bbf45..1a5cbf5 100644
--- a/recipes-core/packagegroups/packagegroup-ros-world-crystal.inc
+++ b/recipes-core/packagegroups/packagegroup-ros-world-crystal.inc
@@ -5,3 +5,6 @@
 # Can't build these until we figure out how to build clang-format without building all of clang.
 RDEPENDS_${PN}_remove = "ament-clang-format"
 RDEPENDS_${PN}_remove = "ament-cmake-clang-format"
+
+# Not used by "crystal"; this allows us to defer fixing log4cxx v0.10.0-13 until working on "melodic".
+RDEPENDS_${PN}_remove = "rcl-logging-log4cxx"