diff --git a/service/OneService.cpp b/service/OneService.cpp
index 0c7035d3b..fb4304d3e 100644
--- a/service/OneService.cpp
+++ b/service/OneService.cpp
@@ -10,7 +10,6 @@
  * of this software will be governed by version 2.0 of the Apache License.
  */
 /****/
-#define ZT_OPENTELEMETRY_ENABLED 1
 
 #include <algorithm>
 #include <condition_variable>