diff --git a/DESCRIPTION b/DESCRIPTION
index 7b92fba..e057049 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -22,6 +22,6 @@ Remotes:
   tidyverse/lubridate,
   tidyverse/hms,
   yihui/knitr,
-  lib/testthat
+  r-lib/testthat
 VignetteBuilder: knitr
 RoxygenNote: 6.0.1
diff --git a/tests/testthat/test_instances.R b/tests/testthat/test_instances.R
index a67e12a..5ad5b2f 100644
--- a/tests/testthat/test_instances.R
+++ b/tests/testthat/test_instances.R
@@ -1,6 +1,5 @@
 library(lubridateExtras)
 context("Instances")
-Sys.setenv(TZ = "America/New_York")
 
 test_that("yesterday", {
   expect_equal(yesterday(), Sys.Date()-1)