diff --git a/mlir/test/mlir-reduce/testcase-windows.mlir b/mlir/test/mlir-reduce/testcase-windows.mlir
deleted file mode 100644
--- a/mlir/test/mlir-reduce/testcase-windows.mlir
+++ /dev/null
@@ -1,13 +0,0 @@
-// UNSUPPORTED: -linux-
-// RUN: mlir-reduce %s -test %S/test.bat
-
-func @simple1(%arg0: i1, %arg1: memref<2xf32>, %arg2: memref<2xf32>) {
-  cond_br %arg0, ^bb1, ^bb2
-^bb1:
-  br ^bb3(%arg1 : memref<2xf32>)
-^bb2:
-  %0 = alloc() : memref<2xf32>
-  br ^bb3(%0 : memref<2xf32>)
-^bb3(%1: memref<2xf32>):
-  return
-}
\ No newline at end of file