diff --git a/tests/testthat/test-colons.R b/tests/testthat/test-colons.R
index cc72df9..22012e7 100644
--- a/tests/testthat/test-colons.R
+++ b/tests/testthat/test-colons.R
@@ -2,8 +2,8 @@ test_that("%colons%", {
   expect_identical(`%colons%`, `%:::%`)
 
   # errors
-  expect_error("fuj" %:::% "not_in_fuj", class = "fuj:colonsError")
-  expect_error("fuj" %::% "colons_example", class = "fuj:colonsError")
+  expect_error("fuj" %:::% "not_in_fuj", class = "colonsError")
+  expect_error("fuj" %::% "colons_example", class = "colonsError")
   expect_error("1" %::% "foo", class = "fuj:namespaceError")
 
   # successes
diff --git a/tests/testthat/test-namespace.R b/tests/testthat/test-namespace.R
index b8c77fd..6afbdb0 100644
--- a/tests/testthat/test-namespace.R
+++ b/tests/testthat/test-namespace.R
@@ -4,12 +4,12 @@ test_that("require_namespace", {
   expect_true(require_namespace("base", "methods", "stats"))
 
   # custom error on failure
-  expect_error(require_namespace("1"), class = "fuj:namespaceError")
+  expect_error(require_namespace("1"), class = "namespaceError")
 
   # only the first package should cause an error
   expect_error(
     require_namespace("base", "1foo", "2foo"),
-    class = "fuj:namespaceError",
+    class = "namespaceError",
     regexp = cond_namespace("1foo")$message,
     fixed = TRUE
   )
@@ -17,7 +17,7 @@ test_that("require_namespace", {
   # this should fail because we shouldn't see 2foo
   expect_error(expect_error(
     require_namespace("base", "1foo", "2foo"),
-    class = "fuj:namespaceError",
+    class = "namespaceError",
     regexp = "2foo",
     fixed = TRUE
   ))