diff --git a/docs/Project.toml b/docs/Project.toml
index b3aef268..8b75b65c 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -1,7 +1,6 @@
 [deps]
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 EvoTrees = "f6006082-12f8-11e9-0c9c-0d5d367ab1e5"
-MCMCDiagnosticTools = "be115224-59cd-429b-ad48-344e309966f0"
 MLJBase = "a7f614a8-145f-11e9-1d2a-a57a1082229d"
 MLJIteration = "614be32b-d00c-4edb-bd02-1eb411ab5e55"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
@@ -10,7 +9,6 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 [compat]
 Documenter = "0.27"
 EvoTrees = "0.14.7"
-MCMCDiagnosticTools = "0.3"
 MLJBase = "0.19, 0.20, 0.21"
 MLJIteration = "0.5"
 julia = "1.6"
diff --git a/test/Project.toml b/test/Project.toml
index be56f411..05c58580 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -5,7 +5,6 @@ EvoTrees = "f6006082-12f8-11e9-0c9c-0d5d367ab1e5"
 FFTW = "7a1cc6ca-52ef-59f5-83cd-3a7055c09341"
 LogDensityProblems = "6fdf6af0-433a-55f7-b3ed-c6c6e0b8df7c"
 LogExpFunctions = "2ab3a3ac-af41-5b50-aa03-7779005ae688"
-MCMCDiagnosticTools = "be115224-59cd-429b-ad48-344e309966f0"
 MLJBase = "a7f614a8-145f-11e9-1d2a-a57a1082229d"
 MLJIteration = "614be32b-d00c-4edb-bd02-1eb411ab5e55"
 MLJLIBSVMInterface = "61c7150f-6c77-4bb1-949c-13197eac2a52"
@@ -25,7 +24,6 @@ EvoTrees = "0.14.7"
 FFTW = "1.1"
 LogDensityProblems = "0.12, 1, 2"
 LogExpFunctions = "0.3"
-MCMCDiagnosticTools = "0.3"
 MLJBase = "0.19, 0.20, 0.21"
 MLJIteration = "0.5"
 MLJLIBSVMInterface = "0.2"