diff --git a/src/jest.setup.ts b/src/jest.setup.ts
index 1e7d0a8ce3..4e9b86ba22 100644
--- a/src/jest.setup.ts
+++ b/src/jest.setup.ts
@@ -10,6 +10,16 @@ import glob from "glob";
 import path from "path";
 import { enableMapSet, setAutoFreeze } from "immer";
 
+declare global {
+  interface InjectablePaths {
+    paths: string[];
+    globalOverridePaths: string[];
+  }
+
+  // eslint-disable-next-line no-var
+  var injectablePaths: Record<"main" | "renderer", InjectablePaths>;
+}
+
 configure({
   // Needed because we want to use jest.spyOn()
   // ref https://github.com/mobxjs/mobx/issues/2784
@@ -57,7 +67,13 @@ const getInjectables = (environment: "renderer" | "main", filePathGlob: string)
   }),
 ].map(x => path.resolve(__dirname, x));
 
-(global as any).rendererInjectablePaths = getInjectables("renderer", "*.{injectable,injectable.testing-env}.{ts,tsx}");
-(global as any).rendererGlobalOverridePaths = getInjectables("renderer", "*.global-override-for-injectable.{ts,tsx}");
-(global as any).mainInjectablePaths = getInjectables("main", "*.{injectable,injectable.testing-env}.{ts,tsx}");
-(global as any).mainGlobalOverridePaths = getInjectables("main", "*.global-override-for-injectable.{ts,tsx}");
+global.injectablePaths = {
+  renderer: {
+    globalOverridePaths: getInjectables("renderer", "*.global-override-for-injectable.{ts,tsx}"),
+    paths: getInjectables("renderer", "*.{injectable,injectable.testing-env}.{ts,tsx}"),
+  },
+  main: {
+    globalOverridePaths: getInjectables("main", "*.global-override-for-injectable.{ts,tsx}"),
+    paths: getInjectables("main", "*.{injectable,injectable.testing-env}.{ts,tsx}"),
+  },
+};
diff --git a/src/main/getDiForUnitTesting.ts b/src/main/getDiForUnitTesting.ts
index 12ae52c667..a6c5b77a0e 100644
--- a/src/main/getDiForUnitTesting.ts
+++ b/src/main/getDiForUnitTesting.ts
@@ -77,13 +77,12 @@ export function getDiForUnitTesting(opts: { doGeneralOverrides?: boolean } = {})
 
   di.preventSideEffects();
 
-  const injectables: Injectable<any, any, any>[] = (
-    global as any
-  ).mainInjectablePaths.flatMap((filePath: string) =>
-    Object.values(require(filePath)).filter(
-      (maybeInjectable: any) => isInjectable(maybeInjectable),
-    ),
-  );
+  const injectables = (
+    global.injectablePaths.main.paths
+      .map(path => require(path))
+      .flatMap(Object.values)
+      .filter(isInjectable)
+  ) as Injectable<any, any, any>[];
 
   runInAction(() => {
     registerMobX(di);
@@ -95,13 +94,11 @@ export function getDiForUnitTesting(opts: { doGeneralOverrides?: boolean } = {})
   });
 
   if (doGeneralOverrides) {
-    const globalOverrides: GlobalOverride[] = (global as any).mainGlobalOverridePaths.map(
-      (filePath: string) => require(filePath).default,
-    );
+    for (const globalOverridePath of global.injectablePaths.main.globalOverridePaths) {
+      const globalOverride = require(globalOverridePath).default as GlobalOverride;
 
-    globalOverrides.forEach(globalOverride => {
       di.override(globalOverride.injectable, globalOverride.overridingInstantiate);
-    });
+    }
 
     di.override(electronInjectable, () => ({}));
     di.override(waitUntilBundledExtensionsAreLoadedInjectable, () => async () => {});
diff --git a/src/renderer/getDiForUnitTesting.tsx b/src/renderer/getDiForUnitTesting.tsx
index 12345c9558..e16b12d50e 100644
--- a/src/renderer/getDiForUnitTesting.tsx
+++ b/src/renderer/getDiForUnitTesting.tsx
@@ -20,7 +20,6 @@ import platformInjectable from "../common/vars/platform.injectable";
 import startTopbarStateSyncInjectable from "./components/layout/top-bar/start-state-sync.injectable";
 import { registerMobX } from "@ogre-tools/injectable-extension-for-mobx";
 import watchHistoryStateInjectable from "./remote-helpers/watch-history-state.injectable";
-import setupSystemCaInjectable from "./frames/root-frame/setup-system-ca.injectable";
 import extensionShouldBeEnabledForClusterFrameInjectable from "./extension-loader/extension-should-be-enabled-for-cluster-frame.injectable";
 import { asyncComputed } from "@ogre-tools/injectable-react";
 import legacyOnChannelListenInjectable from "./ipc/legacy-channel-listen.injectable";
@@ -47,13 +46,12 @@ export const getDiForUnitTesting = (
 
   setLegacyGlobalDiForExtensionApi(di, Environments.renderer);
 
-  const injectables: Injectable<any, any, any>[] = (
-    global as any
-  ).rendererInjectablePaths.flatMap((filePath: string) =>
-    Object.values(require(filePath)).filter(
-      (maybeInjectable: any) => isInjectable(maybeInjectable),
-    ),
-  );
+  const injectables = (
+    global.injectablePaths.renderer.paths
+      .map(path => require(path))
+      .flatMap(Object.values)
+      .filter(isInjectable)
+  ) as Injectable<any, any, any>[];
 
   runInAction(() => {
     registerMobX(di);
@@ -65,20 +63,17 @@ export const getDiForUnitTesting = (
   });
 
   if (doGeneralOverrides) {
-    const globalOverrides: GlobalOverride[] = (global as any).rendererGlobalOverridePaths.map(
-      (filePath: string) => require(filePath).default,
-    );
+    for (const globalOverridePath of global.injectablePaths.renderer.globalOverridePaths) {
+      const globalOverride = require(globalOverridePath).default as GlobalOverride;
 
-    globalOverrides.forEach(globalOverride => {
       di.override(globalOverride.injectable, globalOverride.overridingInstantiate);
-    });
+    }
 
     di.override(getRandomIdInjectable, () => () => "some-irrelevant-random-id");
     di.override(platformInjectable, () => "darwin");
 
     [
       startTopbarStateSyncInjectable,
-      setupSystemCaInjectable,
     ].forEach((injectable) => {
       di.override(injectable, () => ({
         id: injectable.id,