--- a/config/rules.mk
+++ b/config/rules.mk
@@ -914,22 +914,17 @@ rust_unlock_unstable =
 ifdef MOZ_RUST_SIMD
 rust_unlock_unstable += RUSTC_BOOTSTRAP=1
 endif
 
 ifdef MOZ_USING_SCCACHE
 sccache_wrap := RUSTC_WRAPPER='$(CCACHE)'
 endif
 
-# XXX hack to work around dsymutil failing on cross-OSX builds (bug 1380381)
-ifeq ($(HOST_OS_ARCH)-$(OS_ARCH),Linux-Darwin)
-default_rustflags += -C debuginfo=1
-else
 default_rustflags += -C debuginfo=2
-endif
 
 # We use the + prefix to pass down the jobserver fds to cargo, but we
 # don't use the prefix when make -n is used, so that cargo doesn't run
 # in that case)
 define RUN_CARGO
 $(if $(findstring n,$(filter-out --%, $(MAKEFLAGS))),,+)env $(environment_cleaner) $(rust_unlock_unstable) $(rustflags_override) $(sccache_wrap) \
 	CARGO_TARGET_DIR=$(CARGO_TARGET_DIR) \
 	RUSTC=$(RUSTC) \