diff --git a/tests/testthat/test_dataImports.R b/tests/testthat/test_dataImports.R
index 7ccbf6685..f1f5cf4fd 100644
--- a/tests/testthat/test_dataImports.R
+++ b/tests/testthat/test_dataImports.R
@@ -3,7 +3,6 @@
 #   installGiottoEnvironment()
 # }
 
-require(testthat)
 
 
 ### TESTS FOR DATA IMPORT FUNCTIONS
diff --git a/tests/testthat/test_merFISH.R b/tests/testthat/test_merFISH.R
index 57aa9416b..cfcc44e36 100644
--- a/tests/testthat/test_merFISH.R
+++ b/tests/testthat/test_merFISH.R
@@ -1,6 +1,5 @@
 
 
-require(testthat)
 
 # data setup (warning about non-existing dir expected)
 suppressWarnings(