diff --git a/libuavcan/include/uavcan/internal/transport/transfer_buffer.hpp b/libuavcan/include/uavcan/internal/transport/transfer_buffer.hpp
index e1e75934b9..d5a6c64cd3 100644
--- a/libuavcan/include/uavcan/internal/transport/transfer_buffer.hpp
+++ b/libuavcan/include/uavcan/internal/transport/transfer_buffer.hpp
@@ -326,19 +326,6 @@ public:
         }
     }
 
-    unsigned int getNumDynamicBuffers() const { return dynamic_buffers_.length(); }
-
-    unsigned int getNumStaticBuffers() const
-    {
-        unsigned int res = 0;
-        for (unsigned int i = 0; i < NUM_STATIC_BUFS; i++)
-        {
-            if (!static_buffers_[i].isEmpty())
-                res++;
-        }
-        return res;
-    }
-
     TransferBufferBase* access(const TransferBufferManagerKey& key)
     {
         if (key.isEmpty())
@@ -398,6 +385,21 @@ public:
             DynamicTransferBuffer::destroy(dyn, allocator_);
         }
     }
+
+    bool isEmpty() const { return (getNumStaticBuffers() == 0) && (getNumDynamicBuffers() == 0); }
+
+    unsigned int getNumDynamicBuffers() const { return dynamic_buffers_.length(); }
+
+    unsigned int getNumStaticBuffers() const
+    {
+        unsigned int res = 0;
+        for (unsigned int i = 0; i < NUM_STATIC_BUFS; i++)
+        {
+            if (!static_buffers_[i].isEmpty())
+                res++;
+        }
+        return res;
+    }
 };
 
 }