diff --git a/common/models/wordbreakers/package.json b/common/models/wordbreakers/package.json
index 66b2705c9c..580e600c0e 100644
--- a/common/models/wordbreakers/package.json
+++ b/common/models/wordbreakers/package.json
@@ -54,7 +54,6 @@
     "c8": "^7.12.0",
     "mocha": "^10.0.0",
     "mocha-teamcity-reporter": "^4.0.0",
-    "ts-node": "^10.9.1",
     "typescript": "^5.4.5"
   },
   "type": "module"
diff --git a/common/predictive-text/package.json b/common/predictive-text/package.json
index e3c16bfec4..978bcd6dcf 100644
--- a/common/predictive-text/package.json
+++ b/common/predictive-text/package.json
@@ -46,7 +46,6 @@
     "@keymanapp/resources-gosh": "*",
     "mocha": "^10.0.0",
     "mocha-teamcity-reporter": "^4.0.0",
-    "ts-node": "^10.9.1",
     "typescript": "^5.4.5"
   },
   "dependencies": {
diff --git a/common/tools/sourcemap-path-remapper/package.json b/common/tools/sourcemap-path-remapper/package.json
index bed972d4b4..312b3ed964 100644
--- a/common/tools/sourcemap-path-remapper/package.json
+++ b/common/tools/sourcemap-path-remapper/package.json
@@ -20,7 +20,6 @@
     "@keymanapp/resources-gosh": "*",
     "mocha": "^10.0.0",
     "mocha-teamcity-reporter": "^4.0.0",
-    "ts-node": "^10.9.1",
     "typescript": "^5.4.5"
   },
   "dependencies": {
diff --git a/common/web/keyboard-processor/package.json b/common/web/keyboard-processor/package.json
index 814e7ff8ee..3f0a595897 100644
--- a/common/web/keyboard-processor/package.json
+++ b/common/web/keyboard-processor/package.json
@@ -21,7 +21,6 @@
     "c8": "^7.12.0",
     "mocha": "^10.0.0",
     "mocha-teamcity-reporter": "^4.0.0",
-    "ts-node": "^10.9.1",
     "typescript": "^5.4.5"
   },
   "scripts": {
diff --git a/common/web/lm-worker/package.json b/common/web/lm-worker/package.json
index 3ef914ea55..1402fe5828 100644
--- a/common/web/lm-worker/package.json
+++ b/common/web/lm-worker/package.json
@@ -34,7 +34,6 @@
     "combine-source-map": "^0.8.0",
     "mocha": "^10.0.0",
     "mocha-teamcity-reporter": "^4.0.0",
-    "ts-node": "^10.9.1",
     "typescript": "^5.4.5"
   },
   "dependencies": {
diff --git a/common/web/types/package.json b/common/web/types/package.json
index 188db4474d..9327e48590 100644
--- a/common/web/types/package.json
+++ b/common/web/types/package.json
@@ -51,7 +51,6 @@
     "git-diff": "^2.0.6",
     "hexy": "^0.3.4",
     "mocha": "^8.4.0",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "mocha": {
diff --git a/developer/src/common/web/test-helpers/package.json b/developer/src/common/web/test-helpers/package.json
index 843216b947..5aa6ec301f 100644
--- a/developer/src/common/web/test-helpers/package.json
+++ b/developer/src/common/web/test-helpers/package.json
@@ -10,7 +10,6 @@
   ],
   "devDependencies": {
     "@types/node": "^20.4.1",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "scripts": {
diff --git a/developer/src/common/web/utils/package.json b/developer/src/common/web/utils/package.json
index c60b844217..b93cca8efa 100644
--- a/developer/src/common/web/utils/package.json
+++ b/developer/src/common/web/utils/package.json
@@ -13,7 +13,6 @@
   },
   "devDependencies": {
     "@types/node": "^20.4.1",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5",
     "c8": "^7.12.0",
     "mocha": "^8.4.0"
diff --git a/developer/src/kmc-analyze/package.json b/developer/src/kmc-analyze/package.json
index de1c9b1b8e..8577ed25b3 100644
--- a/developer/src/kmc-analyze/package.json
+++ b/developer/src/kmc-analyze/package.json
@@ -34,7 +34,6 @@
     "c8": "^7.12.0",
     "chalk": "^2.4.2",
     "mocha": "^8.4.0",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "repository": {
diff --git a/developer/src/kmc-keyboard-info/package.json b/developer/src/kmc-keyboard-info/package.json
index 036c83c344..4d4a421025 100644
--- a/developer/src/kmc-keyboard-info/package.json
+++ b/developer/src/kmc-keyboard-info/package.json
@@ -33,7 +33,6 @@
     "c8": "^7.12.0",
     "chalk": "^2.4.2",
     "mocha": "^8.4.0",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "mocha": {
diff --git a/developer/src/kmc-kmn/package.json b/developer/src/kmc-kmn/package.json
index b260e9c471..98f2c6f22f 100644
--- a/developer/src/kmc-kmn/package.json
+++ b/developer/src/kmc-kmn/package.json
@@ -41,7 +41,6 @@
     "chalk": "^2.4.2",
     "mocha": "^8.4.0",
     "sinon-chai": "^3.7.0",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "mocha": {
diff --git a/developer/src/kmc-ldml/package.json b/developer/src/kmc-ldml/package.json
index fbcb9f4b85..ef1a17bd68 100644
--- a/developer/src/kmc-ldml/package.json
+++ b/developer/src/kmc-ldml/package.json
@@ -39,7 +39,6 @@
     "c8": "^7.12.0",
     "chalk": "^2.4.2",
     "mocha": "^8.4.0",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "mocha": {
diff --git a/developer/src/kmc-model-info/package.json b/developer/src/kmc-model-info/package.json
index f62f654adc..23297a07ba 100644
--- a/developer/src/kmc-model-info/package.json
+++ b/developer/src/kmc-model-info/package.json
@@ -40,7 +40,6 @@
     "c8": "^7.12.0",
     "chalk": "^2.4.2",
     "mocha": "^8.4.0",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "mocha": {
diff --git a/developer/src/kmc-model/package.json b/developer/src/kmc-model/package.json
index 4c713d229a..529e0aaf52 100644
--- a/developer/src/kmc-model/package.json
+++ b/developer/src/kmc-model/package.json
@@ -43,8 +43,7 @@
     "c8": "^7.12.0",
     "chalk": "^2.4.2",
     "esbuild": "^0.15.7",
-    "mocha": "^10.0.0",
-    "ts-node": "^10.9.1"
+    "mocha": "^10.0.0"
   },
   "mocha": {
     "spec": "build/test/**/test-*.js",
diff --git a/developer/src/kmc-package/package.json b/developer/src/kmc-package/package.json
index 915303b26b..22bc7b024d 100644
--- a/developer/src/kmc-package/package.json
+++ b/developer/src/kmc-package/package.json
@@ -40,7 +40,6 @@
     "c8": "^7.12.0",
     "chalk": "^2.4.2",
     "mocha": "^8.4.0",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "mocha": {
diff --git a/developer/src/kmc/package.json b/developer/src/kmc/package.json
index ef6c961525..bcaa008e00 100644
--- a/developer/src/kmc/package.json
+++ b/developer/src/kmc/package.json
@@ -61,7 +61,6 @@
     "c8": "^7.12.0",
     "esbuild": "^0.15.8",
     "mocha": "^8.4.0",
-    "ts-node": "^9.1.1",
     "typescript": "^5.4.5"
   },
   "mocha": {
diff --git a/developer/src/server/package.json b/developer/src/server/package.json
index b2c63467cc..2f5ff64bb5 100644
--- a/developer/src/server/package.json
+++ b/developer/src/server/package.json
@@ -32,12 +32,7 @@
     "@types/ws": "^8.2.2",
     "copyfiles": "^2.4.1",
     "mocha": "^10.0.0",
-    "ts-node": "^10.9.1",
     "tsc-watch": "^4.5.0",
     "typescript": "^5.4.5"
-  },
-  "mocha": {
-    "require": "ts-node/register",
-    "spec": "build/**/*.test.js"
   }
 }
diff --git a/resources/build/version/package.json b/resources/build/version/package.json
index 26707d927d..da551fef28 100644
--- a/resources/build/version/package.json
+++ b/resources/build/version/package.json
@@ -11,8 +11,7 @@
   "devDependencies": {
     "@types/semver": "^7.1.0",
     "@types/yargs": "^17.0.26",
-    "semver": "^7.5.2",
-    "ts-node": "^10.9.1"
+    "semver": "^7.5.2"
   },
   "files": [
     "src"
diff --git a/web/.mocharc.json b/web/.mocharc.json
deleted file mode 100644
index 592348d6d7..0000000000
--- a/web/.mocharc.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "node-option": [
-    "experimental-specifier-resolution=node",
-    "loader=ts-node/esm"
-  ],
-  "global": "window"
-}
\ No newline at end of file
diff --git a/web/package.json b/web/package.json
index 26a7fef072..8562a0187e 100644
--- a/web/package.json
+++ b/web/package.json
@@ -92,8 +92,7 @@
     "@sentry/cli": "^2.31.0",
     "c8": "^7.12.0",
     "jsdom": "^23.0.1",
-    "mocha": "^10.0.0",
-    "ts-node": "^10.9.1"
+    "mocha": "^10.0.0"
   },
   "scripts": {
     "test": "gosh ./test.sh"