diff --git a/lib/wasm/src/code_translator.rs b/lib/wasm/src/code_translator.rs
index 12f3829338..c500ba7c0c 100644
--- a/lib/wasm/src/code_translator.rs
+++ b/lib/wasm/src/code_translator.rs
@@ -567,7 +567,7 @@ fn translate_operator(
                             acc.insert(depth as usize, branch_ebb);
                             return acc;
                         };
-                        let branch_ebb = acc.get(&(depth as usize)).unwrap().clone();
+                        let branch_ebb = acc[&(depth as usize)].clone();
                         builder.insert_jump_table_entry(jt, index, branch_ebb);
                         acc
                     });
diff --git a/lib/wasm/src/runtime/dummy.rs b/lib/wasm/src/runtime/dummy.rs
index f52b9e9d43..0d6a7755e9 100644
--- a/lib/wasm/src/runtime/dummy.rs
+++ b/lib/wasm/src/runtime/dummy.rs
@@ -26,7 +26,7 @@ impl WasmRuntime for DummyRuntime {
         builder: &mut FunctionBuilder<Local>,
         global_index: GlobalIndex,
     ) -> Value {
-        let ref glob = self.globals.get(global_index as usize).unwrap();
+        let ref glob = self.globals[global_index as usize];
         match glob.ty {
             I32 => builder.ins().iconst(glob.ty, -1),
             I64 => builder.ins().iconst(glob.ty, -1),