diff --git a/include/xrpl/telemetry/SpanGuard.h b/include/xrpl/telemetry/SpanGuard.h
index 653590e945..51261e17b2 100644
--- a/include/xrpl/telemetry/SpanGuard.h
+++ b/include/xrpl/telemetry/SpanGuard.h
@@ -122,7 +122,6 @@
       exposed — all interaction goes through the public methods.
 */
 
-#include <cstddef>
 #include <cstdint>
 #include <exception>
 #include <memory>