diff --git a/src/fast_api.rs b/src/fast_api.rs
index 6d5efa21c..7e9e52df0 100644
--- a/src/fast_api.rs
+++ b/src/fast_api.rs
@@ -13,14 +13,14 @@ extern "C" {
     len: usize,
     tys: *const CTypeSequenceInfo,
   ) -> *mut CTypeInfo;
-  fn v8__CTypeInfo__DELETE(this: &mut CTypeInfo);
+  fn v8__CTypeInfo__DELETE(this: *mut CTypeInfo);
   fn v8__CFunctionInfo__New(
     return_info: *const CTypeInfo,
     args_len: usize,
     args_info: *const CTypeInfo,
     repr: Int64Representation,
   ) -> *mut CFunctionInfo;
-  fn v8__CFunctionInfo__DELETE(this: &mut CFunctionInfo);
+  fn v8__CFunctionInfo__DELETE(this: *mut CFunctionInfo);
 }
 
 #[repr(C)]
diff --git a/src/inspector.rs b/src/inspector.rs
index 4f7f74052..43e7962c7 100644
--- a/src/inspector.rs
+++ b/src/inspector.rs
@@ -74,7 +74,7 @@ extern "C" {
     stack_trace: &mut V8StackTrace,
   );
 
-  fn v8_inspector__V8InspectorSession__DELETE(this: &mut V8InspectorSession);
+  fn v8_inspector__V8InspectorSession__DELETE(this: *mut V8InspectorSession);
   fn v8_inspector__V8InspectorSession__dispatchProtocolMessage(
     session: *mut V8InspectorSession,
     message: StringView,
@@ -88,13 +88,13 @@ extern "C" {
     method: StringView,
   ) -> bool;
 
-  fn v8_inspector__StringBuffer__DELETE(this: &mut StringBuffer);
+  fn v8_inspector__StringBuffer__DELETE(this: *mut StringBuffer);
   fn v8_inspector__StringBuffer__string(this: &StringBuffer) -> StringView;
   fn v8_inspector__StringBuffer__create(
     source: StringView,
   ) -> UniquePtr<StringBuffer>;
 
-  fn v8_inspector__V8Inspector__DELETE(this: &mut V8Inspector);
+  fn v8_inspector__V8Inspector__DELETE(this: *mut V8Inspector);
   fn v8_inspector__V8Inspector__create(
     isolate: *mut Isolate,
     client: *mut V8InspectorClient,
@@ -133,7 +133,7 @@ extern "C" {
     this: *mut V8Inspector,
     stack_trace: *const StackTrace,
   ) -> *mut V8StackTrace;
-  fn v8_inspector__V8StackTrace__DELETE(this: &mut V8StackTrace);
+  fn v8_inspector__V8StackTrace__DELETE(this: *mut V8StackTrace);
 }
 
 #[no_mangle]