diff --git a/tests/testthat/test-create_beast2_input_file.R b/tests/testthat/test-create_beast2_input_file.R
index 4f69741b..32df1914 100644
--- a/tests/testthat/test-create_beast2_input_file.R
+++ b/tests/testthat/test-create_beast2_input_file.R
@@ -1,7 +1,7 @@
 test_that("use", {
 
   output_filename <- get_beautier_tempfilename()
-  expect_false(!file.exists(output_filename))
+  expect_false(file.exists(output_filename))
   expect_silent(
     create_beast2_input_file(
       get_fasta_filename(),
diff --git a/tests/testthat/test-create_beast2_input_file_from_model.R b/tests/testthat/test-create_beast2_input_file_from_model.R
index 73303830..7b079f5a 100644
--- a/tests/testthat/test-create_beast2_input_file_from_model.R
+++ b/tests/testthat/test-create_beast2_input_file_from_model.R
@@ -10,7 +10,7 @@ test_that("use", {
     )
   )
   expect_true(file.exists(output_filename))
-  file.remove(created_lines_filename)
+  file.remove(output_filename)
 })
 
 test_that("abuse", {