diff --git a/cpp/cmake_modules/ThirdpartyToolchain.cmake b/cpp/cmake_modules/ThirdpartyToolchain.cmake
index 9a03030115c..41a38c8a2ea 100644
--- a/cpp/cmake_modules/ThirdpartyToolchain.cmake
+++ b/cpp/cmake_modules/ThirdpartyToolchain.cmake
@@ -3064,6 +3064,7 @@ function(build_re2)
 
   # Unity build causes some build errors
   set(CMAKE_UNITY_BUILD OFF)
+  set(RE2_BUILD_TESTING OFF)
 
   fetchcontent_makeavailable(re2)