diff --git a/python/sglang/multimodal_gen/test/run_suite.py b/python/sglang/multimodal_gen/test/run_suite.py
index 1c7c41be4..50ff4527f 100644
--- a/python/sglang/multimodal_gen/test/run_suite.py
+++ b/python/sglang/multimodal_gen/test/run_suite.py
@@ -85,7 +85,9 @@ PARAMETRIZED_CASE_GROUPS = {
 STANDALONE_FILES = {
     "1-gpu": [
         "../cli/test_generate_t2i_perf.py",
-        "test_update_weights_from_disk.py",
+        # Temporarily disabled: 24 timeout failures since 2026-04-09 across
+        # multimodal-gen-test-1-gpu. Re-enable after the flakiness is fixed.
+        # "test_update_weights_from_disk.py",
     ],
     "2-gpu": [
         "test_disagg_server.py",
@@ -98,7 +100,8 @@ STANDALONE_FILES = {
 STANDALONE_FILE_EST_TIMES = {
     "1-gpu": {
         "../cli/test_generate_t2i_perf.py": 240.0,
-        "test_update_weights_from_disk.py": 480.0,
+        # See STANDALONE_FILES note above — temporarily disabled.
+        # "test_update_weights_from_disk.py": 480.0,
     },
     "2-gpu": {
         # Two disagg clusters × (~3 min startup + ~1 min generate) ≈ 8 min.