diff --git a/cmake/cmake.options b/cmake/cmake.options
index 2acd46694b..5d99b2214a 100644
--- a/cmake/cmake.options
+++ b/cmake/cmake.options
@@ -83,12 +83,6 @@ option(
     OFF
     )
 
-option(
-    TDENGINE_3
-    "TDengine 3.x"
-    ON
-    )
-
 option(
     BUILD_ADDR2LINE
     "If build addr2line"