diff --git a/web/apps/accounts/tsconfig.json b/web/apps/accounts/tsconfig.json
index 9af1590e83..3c203ac714 100644
--- a/web/apps/accounts/tsconfig.json
+++ b/web/apps/accounts/tsconfig.json
@@ -1,13 +1,14 @@
 {
     "extends": "@/build-config/tsconfig-next.json",
     "compilerOptions": {
-        /* Set the base directory from which to resolve bare module names */
+        /* Set the base directory from which to resolve bare module names. */
         "baseUrl": "./src",
         /* MUI doesn't work with exactOptionalPropertyTypes yet. */
         "exactOptionalPropertyTypes": false
     },
     "include": [
         "src",
+        "next-env.d.ts",
         "../../packages/next/global-electron.d.ts",
         "../../packages/shared/themes/mui-theme.d.ts"
     ]
diff --git a/web/apps/auth/src/services/steam.ts b/web/apps/auth/src/services/steam.ts
index f214640c24..3c4a8a9827 100644
--- a/web/apps/auth/src/services/steam.ts
+++ b/web/apps/auth/src/services/steam.ts
@@ -31,12 +31,12 @@ export class Steam {
         const digest = sha1HMACDigest(this.secret.buffer, uintToArray(counter));
 
         // Same calculation as regular HOTP.
-        const offset = digest[digest.length - 1] & 15;
+        const offset = digest[digest.length - 1]! & 15;
         let otp =
-            ((digest[offset] & 127) << 24) |
-            ((digest[offset + 1] & 255) << 16) |
-            ((digest[offset + 2] & 255) << 8) |
-            (digest[offset + 3] & 255);
+            ((digest[offset]! & 127) << 24) |
+            ((digest[offset + 1]! & 255) << 16) |
+            ((digest[offset + 2]! & 255) << 8) |
+            (digest[offset + 3]! & 255);
 
         // However, instead of using this as the OTP, use it to index into
         // the steam OTP alphabet.
diff --git a/web/apps/auth/tsconfig.json b/web/apps/auth/tsconfig.json
index 685ff12c59..3c203ac714 100644
--- a/web/apps/auth/tsconfig.json
+++ b/web/apps/auth/tsconfig.json
@@ -1,14 +1,9 @@
 {
     "extends": "@/build-config/tsconfig-next.json",
     "compilerOptions": {
-        /* Set the base directory from which to resolve bare module names */
+        /* Set the base directory from which to resolve bare module names. */
         "baseUrl": "./src",
-
-        /* This is hard to enforce in certain cases where we do a lot of array
-           indexing, e.g. image/ML ops, and TS doesn't currently have a way to
-           disable this for blocks of code. */
-        "noUncheckedIndexedAccess": false,
-        /* MUI doesn't play great with exactOptionalPropertyTypes currently. */
+        /* MUI doesn't work with exactOptionalPropertyTypes yet. */
         "exactOptionalPropertyTypes": false
     },
     "include": [