diff --git a/DESCRIPTION b/DESCRIPTION
index 42eb2bc..44d4908 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -56,7 +56,6 @@ Imports:
     rmarkdown,
     htmltools,
     tools,
-    magrittr,
-    gdtools
+    magrittr
 RoxygenNote: 7.1.1
 VignetteBuilder: knitr
diff --git a/NAMESPACE b/NAMESPACE
index a488b5f..e04337d 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -73,6 +73,5 @@ import(htmltools)
 import(knitr)
 import(rmarkdown)
 import(scales)
-importFrom(gdtools,set_dummy_conf)
 importFrom(magrittr,"%>%")
 importFrom(tools,file_path_sans_ext)
diff --git a/R/hrbrthemes-package.R b/R/hrbrthemes-package.R
index 81ac774..4c1bfdd 100644
--- a/R/hrbrthemes-package.R
+++ b/R/hrbrthemes-package.R
@@ -23,7 +23,6 @@
 #' @keywords internal
 #' @import ggplot2 grid scales extrafont grDevices
 #' @importFrom magrittr %>%
-#' @importFrom gdtools set_dummy_conf
 #' @import rmarkdown knitr htmltools
 #' @importFrom tools file_path_sans_ext
 "_PACKAGE"
diff --git a/tests/testthat/fontconfig-helper.R b/tests/testthat/fontconfig-helper.R
deleted file mode 100644
index e37c317..0000000
--- a/tests/testthat/fontconfig-helper.R
+++ /dev/null
@@ -1,12 +0,0 @@
-on_appveyor <- function() {
-  identical(Sys.getenv("APPVEYOR"), "True")
-}
-
-on_cran <- function() {
-  !identical(Sys.getenv("NOT_CRAN"), "true")
-}
-
-# Use minimal fonts.conf to speed up fc-cache
-if (on_appveyor() || on_cran()) {
-  gdtools::set_dummy_conf()
-}
\ No newline at end of file