diff --git a/src/test/ui/threads-sendsync/issue-43733-2.rs b/src/test/ui/threads-sendsync/issue-43733-2.rs
index 21ea8e9a209..32baeec4359 100644
--- a/src/test/ui/threads-sendsync/issue-43733-2.rs
+++ b/src/test/ui/threads-sendsync/issue-43733-2.rs
@@ -1,5 +1,5 @@
+// ignore-wasm32
 // dont-check-compiler-stderr
-
 #![feature(cfg_target_thread_local, thread_local_internals)]
 
 // On platforms *without* `#[thread_local]`, use
diff --git a/src/test/ui/threads-sendsync/issue-43733.rs b/src/test/ui/threads-sendsync/issue-43733.rs
index 0ac6f588fb1..935e02944b9 100644
--- a/src/test/ui/threads-sendsync/issue-43733.rs
+++ b/src/test/ui/threads-sendsync/issue-43733.rs
@@ -1,8 +1,8 @@
+// ignore-wasm32
 // revisions: mir thir
 // [thir]compile-flags: -Z thir-unsafeck
 // normalize-stderr-test: "__FastLocalKeyInner::<T>::get" -> "$$LOCALKEYINNER::<T>::get"
 // normalize-stderr-test: "__OsLocalKeyInner::<T>::get" -> "$$LOCALKEYINNER::<T>::get"
-
 #![feature(thread_local)]
 #![feature(cfg_target_thread_local, thread_local_internals)]