diff --git a/scripts/fuzz_opt.py b/scripts/fuzz_opt.py
index 89ae3ff0007..784476d89c2 100755
--- a/scripts/fuzz_opt.py
+++ b/scripts/fuzz_opt.py
@@ -2301,7 +2301,7 @@ def handle(self, wasm):
     TrapsNeverHappen(),
     CtorEval(),
     Merge(),
-    Split(),
+    # Split(), # https://github.com/WebAssembly/binaryen/issues/8510
     RoundtripText(),
     ClusterFuzz(),
     Two(),