diff --git a/tests/testthat/test-estimate_secondary.R b/tests/testthat/test-estimate_secondary.R
index 3d70b714c..dceaa19a6 100644
--- a/tests/testthat/test-estimate_secondary.R
+++ b/tests/testthat/test-estimate_secondary.R
@@ -227,13 +227,13 @@ test_that("estimate_secondary works with filter_leading_zeros set", {
   ## testing deprecated functionality
   withr::local_options(lifecycle_verbosity = "quiet")
   modified_data <- inc_cases[1:10, secondary := 0]
-  out <- estimate_secondary(
+  out <- suppressWarnings(estimate_secondary(
     modified_data,
     obs = obs_opts(scale = Normal(mean = 0.2, sd = 0.2),
     week_effect = FALSE),
     filter_leading_zeros = TRUE,
     verbose = FALSE
-  )
+  ))
   expect_s3_class(out, "estimate_secondary")
   expect_named(out, c("predictions", "posterior", "data", "fit"))
   expect_equal(out$predictions$primary, modified_data$primary[-(1:10)])