diff --git a/Rakefile b/Rakefile
index 170a067..69145ae 100644
--- a/Rakefile
+++ b/Rakefile
@@ -31,7 +31,6 @@ CROSS_RUBY_PLATFORMS = %w[
   x64-mingw-ucrt
   x64-mingw32
   x86-linux
-  x86-mingw32
   x86_64-darwin
   x86_64-linux
 ].freeze