diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index ab796869a9e0f..6c51f6579c77b 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -47,7 +47,6 @@
     "chokidar": "^3.4.2",
     "common-tags": "^1.8.0",
     "compression": "^1.7.4",
-    "convert-hrtime": "^3.0.0",
     "copyfiles": "^2.3.0",
     "core-js": "^3.6.5",
     "cors": "^2.8.5",
@@ -130,9 +129,7 @@
     "prop-types": "^15.7.2",
     "query-string": "^6.13.1",
     "raw-loader": "^4.0.2",
-    "react-dev-utils": "^11.0.1",
-    "react-error-overlay": "^3.0.0",
-    "react-hot-loader": "^4.13.0",
+    "react-dev-utils": "^11.0.3",
     "react-refresh": "^0.9.0",
     "redux": "^4.0.5",
     "redux-thunk": "^2.3.0",
@@ -183,7 +180,6 @@
     "cross-env": "^7.0.3",
     "documentation": "^13.1.0",
     "enhanced-resolve": "^4.2.0",
-    "eslint-plugin-jsx-a11y": "^6.3.1",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "rimraf": "^3.0.2",
diff --git a/yarn.lock b/yarn.lock
index 20394e33b642d..3d07483815d47 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14974,10 +14974,10 @@ immediate@~3.2.3:
   resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.2.3.tgz#d140fa8f614659bd6541233097ddaac25cdd991c"
   integrity sha1-0UD6j2FGWb1lQSMwl92qwlzdmRw=
 
-immer@7.0.9:
-  version "7.0.9"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-7.0.9.tgz#28e7552c21d39dd76feccd2b800b7bc86ee4a62e"
-  integrity sha512-Vs/gxoM4DqNAYR7pugIxi0Xc8XAun/uy7AQu4fLLqaTBHxjOP9pJ266Q9MWA/ly4z6rAFZbvViOtihxUZ7O28A==
+immer@8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/immer/-/immer-8.0.1.tgz#9c73db683e2b3975c424fb0572af5889877ae656"
+  integrity sha512-aqXhGP7//Gui2+UrEtvxZxSquQVXTpZ7KDxfCcKAF3Vysvw0CViVaW9RZ1j1xlIYqaaaipBoqdqeibkc18PNvA==
 
 immer@^4.0.0:
   version "4.0.2"
@@ -21906,10 +21906,10 @@ react-clientside-effect@^1.2.2:
   dependencies:
     "@babel/runtime" "^7.0.0"
 
-react-dev-utils@^11.0.1:
-  version "11.0.1"
-  resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-11.0.1.tgz#30106c2055acfd6b047d2dc478a85c356e66fe45"
-  integrity sha512-rlgpCupaW6qQqvu0hvv2FDv40QG427fjghV56XyPcP5aKtOAPzNAhQ7bHqk1YdS2vpW1W7aSV3JobedxuPlBAA==
+react-dev-utils@^11.0.3:
+  version "11.0.3"
+  resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-11.0.3.tgz#b61ed499c7d74f447d4faddcc547e5e671e97c08"
+  integrity sha512-4lEA5gF4OHrcJLMUV1t+4XbNDiJbsAWCH5Z2uqlTqW6dD7Cf5nEASkeXrCI/Mz83sI2o527oBIFKVMXtRf1Vtg==
   dependencies:
     "@babel/code-frame" "7.10.4"
     address "1.1.2"
@@ -21924,13 +21924,13 @@ react-dev-utils@^11.0.1:
     global-modules "2.0.0"
     globby "11.0.1"
     gzip-size "5.1.1"
-    immer "7.0.9"
+    immer "8.0.1"
     is-root "2.1.0"
     loader-utils "2.0.0"
     open "^7.0.2"
     pkg-up "3.1.0"
     prompts "2.4.0"
-    react-error-overlay "^6.0.8"
+    react-error-overlay "^6.0.9"
     recursive-readdir "2.2.2"
     shell-quote "1.7.2"
     strip-ansi "6.0.0"
@@ -21975,14 +21975,10 @@ react-error-boundary@^3.1.0:
   dependencies:
     "@babel/runtime" "^7.12.5"
 
-react-error-overlay@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-3.0.0.tgz#c2bc8f4d91f1375b3dad6d75265d51cd5eeaf655"
-
-react-error-overlay@^6.0.8:
-  version "6.0.8"
-  resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.8.tgz#474ed11d04fc6bda3af643447d85e9127ed6b5de"
-  integrity sha512-HvPuUQnLp5H7TouGq3kzBeioJmXms1wHy9EGjz2OURWBp4qZO6AfGEcnxts1D/CbwPLRAgTMPCEgYhA3sEM4vw==
+react-error-overlay@^6.0.9:
+  version "6.0.9"
+  resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.9.tgz#3c743010c9359608c375ecd6bc76f35d93995b0a"
+  integrity sha512-nQTTcUu+ATDbrSD1BZHr5kgSD4oF8OFjxun8uAaL8RwPBacGBNPf/yAuVVdx17N8XNzRDMrZ9XcKZHCjPW+9ew==
 
 react-fast-compare@^2.0.1:
   version "2.0.4"
@@ -22016,20 +22012,6 @@ react-helmet@^6.1.0:
     react-fast-compare "^3.1.1"
     react-side-effect "^2.1.0"
 
-react-hot-loader@^4.13.0:
-  version "4.13.0"
-  resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-4.13.0.tgz#c27e9408581c2a678f5316e69c061b226dc6a202"
-  integrity sha512-JrLlvUPqh6wIkrK2hZDfOyq/Uh/WeVEr8nc7hkn2/3Ul0sx1Kr5y4kOGNacNRoj7RhwLNcQ3Udf1KJXrqc0ZtA==
-  dependencies:
-    fast-levenshtein "^2.0.6"
-    global "^4.3.0"
-    hoist-non-react-statics "^3.3.0"
-    loader-utils "^1.1.0"
-    prop-types "^15.6.1"
-    react-lifecycles-compat "^3.0.4"
-    shallowequal "^1.1.0"
-    source-map "^0.7.3"
-
 react-icons@^3.11.0:
   version "3.11.0"
   resolved "https://registry.yarnpkg.com/react-icons/-/react-icons-3.11.0.tgz#2ca2903dfab8268ca18ebd8cc2e879921ec3b254"
@@ -24561,11 +24543,6 @@ shallow-copy@~0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/shallow-copy/-/shallow-copy-0.0.1.tgz#415f42702d73d810330292cc5ee86eae1a11a170"
 
-shallowequal@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/shallowequal/-/shallowequal-1.1.0.tgz#188d521de95b9087404fd4dcb68b13df0ae4e7f8"
-  integrity sha512-y0m1JoUZSlPAjXVtPPW70aZWfIL/dSP7AFkRnniLCrK/8MDKog3TySTBmckD+RObVxH0v4Tox67+F14PdED2oQ==
-
 sharp@^0.27.0:
   version "0.27.0"
   resolved "https://registry.yarnpkg.com/sharp/-/sharp-0.27.0.tgz#523fba913ba674985dcc688a6a5237384079d80f"