diff --git a/manage b/manage
index 6cc98c1be..678f64017 100755
--- a/manage
+++ b/manage
@@ -696,11 +696,15 @@ test.pyright() {
     node.env.devtools
     # We run Pyright in the virtual environment because Pyright
     # executes "python" to determine the Python version.
-    pyenv.cmd npx --no-install pyright -p pyrightconfig-ci.json
+    build_msg TEST "[pyright] suppress warnings related to intentional monkey patching"
+    pyenv.cmd npx --no-install pyright -p pyrightconfig-ci.json \
+        | grep -v ".py$" \
+        | grep -v '/engines/.*.py.* - warning: "logger" is not defined'\
+        | grep -v '/engines/.*.py.* - warning: "supported_languages" is not defined' \
+        | grep -v '/engines/.*.py.* - warning: "language_aliases" is not defined'
     dump_return $?
 }
 
-
 test.black() {
     build_msg TEST "[black] \$BLACK_TARGETS"
     pyenv.cmd black --check --diff "${BLACK_OPTIONS[@]}" "${BLACK_TARGETS[@]}"