diff --git a/utils/bazel/llvm-project-overlay/llvm/config.bzl b/utils/bazel/llvm-project-overlay/llvm/config.bzl
--- a/utils/bazel/llvm-project-overlay/llvm/config.bzl
+++ b/utils/bazel/llvm-project-overlay/llvm/config.bzl
@@ -49,13 +49,12 @@
 backtrace_defines = select({
     "@platforms//os:windows": [],
-    "@llvm//platforms/config:musl": [],
     "//conditions:default": [
         "HAVE_BACKTRACE=1",
         "BACKTRACE_HEADER=<execinfo.h>",
     ],
 })
 
 mallinfo_defines = select({
-    "@llvm//platforms/config:gnu": ["HAVE_MALLINFO=1"],
+    "@platforms//os:linux": ["HAVE_MALLINFO=1"],
     "//conditions:default": [],
 })