diff --git a/part10/tests/HtmlRunner.elm b/part10/tests/HtmlRunner.elm
deleted file mode 100644
index 288e39b..0000000
--- a/part10/tests/HtmlRunner.elm
+++ /dev/null
@@ -1,16 +0,0 @@
-module HtmlRunner exposing (..)
-
-import Tests
-import Test.Runner.Html as Runner
-
-
--- To run this:
---
--- cd into part10/test
--- elm-reactor
--- navigate to HtmlRunner.elm
-
-
-main : Program Never Model Msg
-main =
-    Runner.run Tests.all
diff --git a/part10/tests/Main.elm b/part10/tests/Main.elm
deleted file mode 100644
index 80906ca..0000000
--- a/part10/tests/Main.elm
+++ /dev/null
@@ -1,18 +0,0 @@
-port module Main exposing (..)
-
-import Tests
-import Test.Runner.Node as Runner
-import Json.Decode exposing (Value)
-
-
--- To run this:
---
--- elm-test
-
-
-main : Program Value
-main =
-    Runner.run emit Tests.all
-
-
-port emit : ( String, Value ) -> Cmd msg
diff --git a/part10/tests/elm-package.json b/part10/tests/elm-package.json
index 460cf01..e9924e4 100644
--- a/part10/tests/elm-package.json
+++ b/part10/tests/elm-package.json
@@ -1,21 +1,20 @@
 {
     "version": "1.0.0",
-    "summary": "Like GitHub, but for Elm stuff.",
+    "summary": "Test Suites",
     "repository": "https://github.com/rtfeldman/elm-workshop.git",
     "license": "BSD-3-Clause",
     "source-directories": [
-        ".",
-        ".."
+        "..",
+        "."
     ],
     "exposed-modules": [],
     "dependencies": {
-        "NoRedInk/elm-decode-pipeline": "1.1.2 <= v < 2.0.0",
-        "elm-community/elm-test": "2.0.1 <= v < 3.0.0",
-        "elm-lang/core": "4.0.1 <= v < 5.0.0",
-        "elm-lang/html": "1.0.0 <= v < 2.0.0",
-        "evancz/elm-http": "3.0.1 <= v < 4.0.0",
-        "rtfeldman/html-test-runner": "1.0.0 <= v < 2.0.0",
-        "rtfeldman/node-test-runner": "2.0.0 <= v < 3.0.0"
+        "NoRedInk/elm-decode-pipeline": "3.0.0 <= v < 4.0.0",
+        "eeue56/elm-html-test": "4.1.0 <= v < 5.0.0",
+        "elm-community/elm-test": "4.0.0 <= v < 5.0.0",
+        "elm-lang/core": "5.0.0 <= v < 6.0.0",
+        "elm-lang/html": "2.0.0 <= v < 3.0.0",
+        "elm-lang/http": "1.0.0 <= v < 2.0.0"
     },
-    "elm-version": "0.17.0 <= v < 0.18.0"
+    "elm-version": "0.18.0 <= v < 0.19.0"
 }
diff --git a/part9/tests/HtmlRunner.elm b/part9/tests/HtmlRunner.elm
deleted file mode 100644
index 4c2b07f..0000000
--- a/part9/tests/HtmlRunner.elm
+++ /dev/null
@@ -1,16 +0,0 @@
-module HtmlRunner exposing (..)
-
-import Tests
-import Test.Runner.Html as Runner
-
-
--- To run this:
---
--- cd into part9/test
--- elm-reactor
--- navigate to HtmlRunner.elm
-
-
-main : Program Never Model Msg
-main =
-    Runner.run Tests.all
diff --git a/part9/tests/Main.elm b/part9/tests/Main.elm
deleted file mode 100644
index 4b673cc..0000000
--- a/part9/tests/Main.elm
+++ /dev/null
@@ -1,18 +0,0 @@
-port module Main exposing (..)
-
-import Tests
-import Test.Runner.Node as Runner
-import Json.Decode exposing (Value)
-
-
--- To run this:
---
--- elm-test
-
-
-main : Runner.TestProgram
-main =
-    Runner.run emit Tests.all
-
-
-port emit : ( String, Value ) -> Cmd msg
diff --git a/part9/tests/elm-package.json b/part9/tests/elm-package.json
index 08d04c2..e9924e4 100644
--- a/part9/tests/elm-package.json
+++ b/part9/tests/elm-package.json
@@ -1,21 +1,20 @@
 {
     "version": "1.0.0",
-    "summary": "Like GitHub, but for Elm stuff.",
+    "summary": "Test Suites",
     "repository": "https://github.com/rtfeldman/elm-workshop.git",
     "license": "BSD-3-Clause",
     "source-directories": [
-        ".",
-        ".."
+        "..",
+        "."
     ],
     "exposed-modules": [],
     "dependencies": {
         "NoRedInk/elm-decode-pipeline": "3.0.0 <= v < 4.0.0",
-        "elm-community/elm-test": "3.1.0 <= v < 4.0.0",
+        "eeue56/elm-html-test": "4.1.0 <= v < 5.0.0",
+        "elm-community/elm-test": "4.0.0 <= v < 5.0.0",
         "elm-lang/core": "5.0.0 <= v < 6.0.0",
         "elm-lang/html": "2.0.0 <= v < 3.0.0",
-        "elm-lang/http": "1.0.0 <= v < 2.0.0",
-        "rtfeldman/html-test-runner": "2.0.0 <= v < 3.0.0",
-        "rtfeldman/node-test-runner": "3.0.0 <= v < 4.0.0"
+        "elm-lang/http": "1.0.0 <= v < 2.0.0"
     },
     "elm-version": "0.18.0 <= v < 0.19.0"
 }