diff --git a/Project.toml b/Project.toml
index a976b9a2..ec189ee3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -4,11 +4,9 @@ version = "0.15.4"
 
 [deps]
 Distances = "b4f34e82-e78d-54a5-968a-f98e89d6e8f7"
-Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 NearestNeighbors = "b8a86587-4115-5ab1-83bc-aa920d37bbce"
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
-RDatasets = "ce6b1742-4840-55fa-b093-852dadbb1d8b"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"