diff --git a/src/data/array_interface.cu b/src/data/array_interface.cu
index 11baf4c1f..3aabdd9ba 100644
--- a/src/data/array_interface.cu
+++ b/src/data/array_interface.cu
@@ -11,33 +11,6 @@
 namespace xgboost {
 
 void ArrayInterfaceHandler::SyncCudaStream(std::int64_t stream) {
-#if defined(XGBOOST_USE_HIP)
-  if (stream == 1 || stream == 2) {
-    // Default streams, no synchronization needed
-    return;
-  }
-
-  hipEvent_t event;
-  hipError_t err = hipEventCreate(&event);
-  if (err != hipSuccess) {
-    LOG(WARNING) << "Failed to create HIP event: " << hipGetErrorString(err);
-    return;
-  }
-
-  err = hipEventRecord(event, reinterpret_cast<hipStream_t>(stream));
-  if (err != hipSuccess) {
-    LOG(WARNING) << "Failed to record HIP event: " << hipGetErrorString(err);
-    hipEventDestroy(event);
-    return;
-  }
-
-  err = hipStreamWaitEvent(hipStreamPerThread, event, 0);
-  if (err != hipSuccess) {
-    LOG(WARNING) << "Failed to wait for HIP event: " << hipGetErrorString(err);
-  }
-
-  hipEventDestroy(event);
-#else
   switch (stream) {
     case 0:
       /**
@@ -58,7 +31,6 @@ void ArrayInterfaceHandler::SyncCudaStream(std::int64_t stream) {
       dh::DefaultStream().Wait(e);
     }
   }
-#endif
 }
 
 bool ArrayInterfaceHandler::IsCudaPtr(void const* ptr) {