diff --git a/tests/testthat/test-mirror.r b/tests/testthat/test-mirror.r
index 583785a..719ccd1 100644
--- a/tests/testthat/test-mirror.r
+++ b/tests/testthat/test-mirror.r
@@ -13,9 +13,4 @@ test_that("mirror.matrix behaves", {
   data(boneData)
   expect_equal(mirror(boneLM[,,1],icpiter=50,pcAlign=T,mirroraxis=3), boneMir.baseline, tol=1e-6)
   
-  skullMir.baseline=readRDS("testdata/skullMir.rds")
-  # subsample involves non-deterministic k-means
-  set.seed(42)
-  expect_equal(mirror(skull_0144_ch_fe.mesh,icpiter=1,subsample = 30,pcAlign=T,mirroraxis=3),
-              skullMir.baseline,tol=0.5)
 })
diff --git a/tests/testthat/testdata/skullMir.rds b/tests/testthat/testdata/skullMir.rds
deleted file mode 100644
index 806517c..0000000
Binary files a/tests/testthat/testdata/skullMir.rds and /dev/null differ