diff --git a/test/core/xds/xds_client_fuzzer.cc b/test/core/xds/xds_client_fuzzer.cc
index 976dd237746b2..505757ed9323f 100644
--- a/test/core/xds/xds_client_fuzzer.cc
+++ b/test/core/xds/xds_client_fuzzer.cc
@@ -149,8 +149,8 @@ class Fuzzer {
 
     void OnResourceChanged(
         std::shared_ptr<const typename ResourceType::ResourceType> resource,
-        RefCountedPtr<XdsTransportFactory::XdsTransport::StreamingCall::
-                          ReadDelayHandle> /* read_delay_handle */) override {
+        RefCountedPtr<XdsApi::ReadDelayHandle> /* read_delay_handle */)
+        override {
       gpr_log(GPR_INFO, "==> OnResourceChanged(%s %s): %s",
               std::string(ResourceType::Get()->type_url()).c_str(),
               resource_name_.c_str(), resource->ToString().c_str());
@@ -163,8 +163,8 @@ class Fuzzer {
     }
 
     void OnResourceDoesNotExist(
-        RefCountedPtr<XdsTransportFactory::XdsTransport::StreamingCall::
-                          ReadDelayHandle> /* read_delay_handle */) override {
+        RefCountedPtr<XdsApi::ReadDelayHandle> /* read_delay_handle */)
+        override {
       gpr_log(GPR_INFO, "==> OnResourceDoesNotExist(%s %s)",
               std::string(ResourceType::Get()->type_url()).c_str(),
               resource_name_.c_str());