diff --git a/recipe_modules/build_util/api.py b/recipe_modules/build_util/api.py
index 9c1fb42..e46d0ed 100644
--- a/recipe_modules/build_util/api.py
+++ b/recipe_modules/build_util/api.py
@@ -46,13 +46,10 @@
     """Calculates concurrent jobs value for the current machine."""
     cores = multiprocessing.cpu_count()
 
-    # For non goma builds, set -j to the number of cores.
-    if not self.use_goma:
+    # For non goma/rbe builds, set -j to the number of cores.
+    if not self.use_goma and not self.use_rbe:
       return 5 if self._test_data.enabled else cores
 
-    # Assume simultaneous multithreading and therefore half as many cores as
-    # logical processors.
-    cores //= 2
     default_core_multiplier = 80
     j_value = cores * default_core_multiplier
     if self.m.platform.is_win:
@@ -79,7 +76,7 @@
     """
     assert rbe_working_path
     build_dir = checkout_path.join('out/%s' % config)
-    rbe_jobs = self.m.properties.get('rbe_jobs') or self._calculate_j_value()
+    rbe_jobs = self._calculate_j_value()
     ninja_args = [tool, '-j', rbe_jobs, '-C', build_dir]
     ninja_args.extend(targets)
     with self.m.rbe(
diff --git a/recipe_modules/build_util/examples/full.expected/basic.json b/recipe_modules/build_util/examples/full.expected/basic.json
index f6879ae..c5b9f03 100644
--- a/recipe_modules/build_util/examples/full.expected/basic.json
+++ b/recipe_modules/build_util/examples/full.expected/basic.json
@@ -812,7 +812,7 @@
     "cmd": [
       "[START_DIR]/flutter/third_party/ninja/ninja",
       "-j",
-      "5",
+      "200",
       "-C",
       "[START_DIR]/out/release",
       "rbe_target"
diff --git a/recipe_modules/build_util/examples/full.expected/mac.json b/recipe_modules/build_util/examples/full.expected/mac.json
index 6f38404..ea8d018 100644
--- a/recipe_modules/build_util/examples/full.expected/mac.json
+++ b/recipe_modules/build_util/examples/full.expected/mac.json
@@ -812,7 +812,7 @@
     "cmd": [
       "[START_DIR]/flutter/third_party/ninja/ninja",
       "-j",
-      "5",
+      "200",
       "-C",
       "[START_DIR]/out/release",
       "rbe_target"