1 files changed, 2 insertions, 5 deletions
diff --git a/third_party/rust/wasm-smith/src/lib.rs b/third_party/rust/wasm-smith/src/lib.rs
index 8d17290473..b985791aae 100644
--- a/third_party/rust/wasm-smith/src/lib.rs
+++ b/third_party/rust/wasm-smith/src/lib.rs
@@ -58,7 +58,7 @@ mod component;
 mod config;
 mod core;
 
-pub use crate::core::{InstructionKind, InstructionKinds, MaybeInvalidModule, Module};
+pub use crate::core::{InstructionKind, InstructionKinds, Module};
 use arbitrary::{Result, Unstructured};
 pub use component::Component;
 pub use config::{Config, MemoryOffsetChoices};
@@ -108,10 +108,7 @@ pub(crate) fn limited_str<'a>(max_size: usize, u: &mut Unstructured<'a>) -> Resu
         Err(e) => {
             let i = e.valid_up_to();
             let valid = u.bytes(i).unwrap();
-            let s = unsafe {
-                debug_assert!(str::from_utf8(valid).is_ok());
-                str::from_utf8_unchecked(valid)
-            };
+            let s = str::from_utf8(valid).unwrap();
             Ok(s)
         }
     }