diff --git a/.eslintrc.js b/.eslintrc.js
index 52ba26dcb3..09a06987c4 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -11,7 +11,6 @@ module.exports = {
     "**/dist/**/*",
     "**/static/**/*",
     "**/site/**/*",
-    "extensions/*/*.tgz",
     "build/webpack/**/*",
   ],
   settings: {
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ee1ab58970..e71bfb0be8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -57,10 +57,6 @@ jobs:
         name: Run tests
         if: ${{ matrix.type == 'unit' }}
 
-      - run: make test-extensions
-        name: Run In-tree Extension tests
-        if: ${{ matrix.type == 'unit' }}
-
       - run: make ci-validate-dev
         if: ${{ contains(github.event.pull_request.labels.*.name, 'dependencies') && matrix.type == 'unit' }}
         name: Validate dev mode will work
diff --git a/.gitignore b/.gitignore
index 0a79ea77c1..57139f691b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,7 +14,6 @@ src/extensions/*/*.js
 src/extensions/*/*.d.ts
 types/extension-api.d.ts
 types/extension-renderer-api.d.ts
-extensions/*/dist
 docs/extensions/api
 site/
 build/webpack/
diff --git a/.idea/lens.iml b/.idea/lens.iml
index 88175e2aaa..3bef0f9888 100644
--- a/.idea/lens.iml
+++ b/.idea/lens.iml
@@ -6,10 +6,6 @@
       <excludeFolder url="file://$MODULE_DIR$/.tmp" />
       <excludeFolder url="file://$MODULE_DIR$/tmp" />
       <excludeFolder url="file://$MODULE_DIR$/node_modules" />
-      <excludeFolder url="file://$MODULE_DIR$/extensions/kube-object-event-status/node_modules" />
-      <excludeFolder url="file://$MODULE_DIR$/extensions/metrics-cluster-feature/node_modules" />
-      <excludeFolder url="file://$MODULE_DIR$/extensions/node-menu/node_modules" />
-      <excludeFolder url="file://$MODULE_DIR$/extensions/pod-menu/node_modules" />
       <excludeFolder url="file://$MODULE_DIR$/static/build" />
       <excludeFolder url="file://$MODULE_DIR$/src/extensions/npm/extensions/dist" />
       <excludeFolder url="file://$MODULE_DIR$/dist" />
@@ -20,4 +16,4 @@
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="ogre-tools" level="project" />
   </component>
-</module>
\ No newline at end of file
+</module>
diff --git a/Makefile b/Makefile
index 1a21ef0e02..07caefd5d2 100644
--- a/Makefile
+++ b/Makefile
@@ -5,10 +5,6 @@ CMD_ARGS = $(filter-out $@,$(MAKECMDGOALS))
 
 NPM_RELEASE_TAG ?= latest
 ELECTRON_BUILDER_EXTRA_ARGS ?=
-EXTENSIONS_DIR = ./extensions
-extensions = $(foreach dir, $(wildcard $(EXTENSIONS_DIR)/*), ${dir})
-extension_node_modules = $(foreach dir, $(wildcard $(EXTENSIONS_DIR)/*), ${dir}/node_modules)
-extension_dists = $(foreach dir, $(wildcard $(EXTENSIONS_DIR)/*), ${dir}/dist)
 
 ifeq ($(OS),Windows_NT)
     DETECTED_OS := Windows
@@ -28,10 +24,10 @@ compile-dev: node_modules
 	yarn compile:renderer --cache
 
 .PHONY: validate-dev
-ci-validate-dev: binaries/client build-extensions compile-dev
+ci-validate-dev: binaries/client compile-dev
 
 .PHONY: dev
-dev: binaries/client build-extensions
+dev: binaries/client
 	rm -rf static/build/
 	yarn run build:tray-icons
 	yarn dev
@@ -54,7 +50,6 @@ integration: build
 
 .PHONY: build
 build: node_modules binaries/client
-	$(MAKE) build-extensions -B
 	yarn run build:tray-icons
 	yarn run compile
 ifeq "$(DETECTED_OS)" "Windows"
@@ -63,26 +58,6 @@ ifeq "$(DETECTED_OS)" "Windows"
 endif
 	yarn run electron-builder --publish onTag $(ELECTRON_BUILDER_EXTRA_ARGS)
 
-.NOTPARALLEL: $(extension_node_modules)
-$(extension_node_modules): node_modules
-	cd $(@:/node_modules=) && ../../node_modules/.bin/npm install --no-audit --no-fund --no-save
-
-$(extension_dists): src/extensions/npm/extensions/dist $(extension_node_modules)
-	cd $(@:/dist=) && ../../node_modules/.bin/npm run build
-	rm -rf ./node_modules/$(shell basename $(@:/dist=))
-
-.PHONY: clean-old-extensions
-clean-old-extensions:
-	find ./extensions -mindepth 1 -maxdepth 1 -type d '!' -exec test -e '{}/package.json' \; -exec rm -rf {} \;
-
-.PHONY: build-extensions
-build-extensions: node_modules clean-old-extensions $(extension_dists)
-	yarn install --check-files --frozen-lockfile --network-timeout=100000
-
-.PHONY: test-extensions
-test-extensions: $(extension_node_modules)
-	$(foreach dir, $(extensions), (cd $(dir) && npm run test || exit $?);)
-
 src/extensions/npm/extensions/__mocks__:
 	cp -r __mocks__ src/extensions/npm/extensions/
 
@@ -113,16 +88,12 @@ build-docs:
 docs: build-docs
 	yarn mkdocs-serve-local
 
-.PHONY: clean-extensions
-clean-extensions:
-	rm -rf $(EXTENSIONS_DIR)/*/{dist,node_modules,*.tgz}
-
 .PHONY: clean-npm
 clean-npm:
 	rm -rf src/extensions/npm/extensions/{dist,__mocks__,node_modules}
 
 .PHONY: clean
-clean: clean-npm clean-extensions
+clean: clean-npm
 	rm -rf binaries/client
 	rm -rf dist
 	rm -rf static/build