diff --git a/rust/plugin_wasm/src/model/c_api.rs b/rust/plugin_wasm/src/model/c_api.rs
index a432b593..c3816d0b 100644
--- a/rust/plugin_wasm/src/model/c_api.rs
+++ b/rust/plugin_wasm/src/model/c_api.rs
@@ -733,7 +733,7 @@ pub unsafe extern "C" fn nanoemApplicationPluginModelIODestroy(
     plugin: *mut nanoem_application_plugin_model_io_t,
 ) {
     if !plugin.is_null() {
-        let _ = Box::from_raw(plugin);
+        let _ = unsafe { Box::from_raw(plugin) };
     }
 }
 
diff --git a/rust/plugin_wasm/src/motion/c_api.rs b/rust/plugin_wasm/src/motion/c_api.rs
index 115a2368..93f08491 100644
--- a/rust/plugin_wasm/src/motion/c_api.rs
+++ b/rust/plugin_wasm/src/motion/c_api.rs
@@ -714,7 +714,7 @@ pub unsafe extern "C" fn nanoemApplicationPluginMotionIODestroy(
     plugin: *mut nanoem_application_plugin_motion_io_t,
 ) {
     if !plugin.is_null() {
-        let _ = Box::from_raw(plugin);
+        let _ = unsafe { Box::from_raw(plugin) };
     }
 }
 
diff --git a/rust/plugin_wasm_test_model_full/src/lib.rs b/rust/plugin_wasm_test_model_full/src/lib.rs
index a8f568a7..38444d58 100644
--- a/rust/plugin_wasm_test_model_full/src/lib.rs
+++ b/rust/plugin_wasm_test_model_full/src/lib.rs
@@ -804,7 +804,7 @@ pub unsafe extern "C" fn nanoemApplicationPluginModelIODestroy(
         .unwrap()
     );
     if !plugin.is_null() {
-        let _ = Box::from_raw(plugin);
+        let _ = unsafe { Box::from_raw(plugin) };
     }
 }
 
diff --git a/rust/plugin_wasm_test_model_minimum/src/lib.rs b/rust/plugin_wasm_test_model_minimum/src/lib.rs
index 76599323..02fa82d2 100644
--- a/rust/plugin_wasm_test_model_minimum/src/lib.rs
+++ b/rust/plugin_wasm_test_model_minimum/src/lib.rs
@@ -319,7 +319,7 @@ pub unsafe extern "C" fn nanoemApplicationPluginModelIODestroy(
         .unwrap()
     );
     if !plugin.is_null() {
-        let _ = Box::from_raw(plugin);
+        let _ = unsafe { Box::from_raw(plugin) };
     }
 }
 
diff --git a/rust/plugin_wasm_test_motion_full/src/lib.rs b/rust/plugin_wasm_test_motion_full/src/lib.rs
index e9d9aa3b..f3a7ebe8 100644
--- a/rust/plugin_wasm_test_motion_full/src/lib.rs
+++ b/rust/plugin_wasm_test_motion_full/src/lib.rs
@@ -785,7 +785,7 @@ pub unsafe extern "C" fn nanoemApplicationPluginMotionIODestroy(
         .unwrap()
     );
     if !plugin.is_null() {
-        let _ = Box::from_raw(plugin);
+        let _ = unsafe { Box::from_raw(plugin) };
     }
 }
 
diff --git a/rust/plugin_wasm_test_motion_minimum/src/lib.rs b/rust/plugin_wasm_test_motion_minimum/src/lib.rs
index 402689d7..b8766754 100644
--- a/rust/plugin_wasm_test_motion_minimum/src/lib.rs
+++ b/rust/plugin_wasm_test_motion_minimum/src/lib.rs
@@ -337,7 +337,7 @@ pub unsafe extern "C" fn nanoemApplicationPluginMotionIODestroy(
         .unwrap()
     );
     if !plugin.is_null() {
-        let _ = Box::from_raw(plugin);
+        let _ = unsafe { Box::from_raw(plugin) };
     }
 }