diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 7a29d35ee7b1d..525a6f593237c 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -234,12 +234,9 @@ jobs:
       ARROW_WITH_SNAPPY: ON
       ARROW_WITH_ZLIB: ON
       ARROW_WITH_ZSTD: ON
-      # Don't use preinstalled Boost by empty BOOST_ROOT and
-      # -DBoost_NO_BOOST_CMAKE=ON
       BOOST_ROOT: ""
       ARROW_CMAKE_ARGS: >-
         -DARROW_PACKAGE_PREFIX=/ucrt${{ matrix.mingw-n-bits }}
-        -DBoost_NO_BOOST_CMAKE=ON
         -DCMAKE_FIND_PACKAGE_PREFER_CONFIG=ON
       CMAKE_UNITY_BUILD: ON
     steps: