diff --git a/libs/binder/ndk/AIBinder.cpp b/libs/binder/ndk/AIBinder.cpp
index 40d3a00..80c64c0 100644
--- a/libs/binder/ndk/AIBinder.cpp
+++ b/libs/binder/ndk/AIBinder.cpp
@@ -269,6 +269,10 @@
         return EX_ILLEGAL_STATE;
     }
 
+    if (!binder->isRemote()) {
+        LOG(WARNING) << "A binder object at " << binder << " is being transacted on, however, this object is in the same process as its proxy. Transacting with this binder is expensive compared to just calling the corresponding functionality in the same process.";
+    }
+
     *in = new AParcel(binder);
     binder_status_t status = (**in)->writeInterfaceToken(clazz->getInterfaceDescriptor());
     if (status != EX_NONE) {