diff --git a/test/Project.toml b/test/Project.toml
index cbe42aef0..7a113492b 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -6,7 +6,6 @@ CairoMakie = "13f3f980-e62b-5c42-98c6-ff1f3baf88f0"
 ColorSchemes = "35d6a980-a343-548e-a6ea-1d62b119f2f4"
 DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
-DelaunayTriangulation = "927a84f5-c5f4-47a5-9785-b46e178433df"
 DelimitedFiles = "8bb1440f-4735-579b-a4ab-409b98df4dab"
 Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"