diff --git a/.env.example b/.env.example
index 8d0072e..29a27b2 100644
--- a/.env.example
+++ b/.env.example
@@ -23,8 +23,6 @@ ALTCHA_HMAC_KEY=change-me-use-long-random-secret
 ALTCHA_MAX_NUMBER=50000
 ALTCHA_CHALLENGE_TTL_MS=600000
 
-NEVER_MODE_INACTIVITY_DAYS=365
-
 THROTTLE_TTL_MS=60000
 THROTTLE_LIMIT=1000
 THROTTLE_UPLOAD_TTL_MS=60000
diff --git a/backend/src/config/validate.spec.ts b/backend/src/config/validate.spec.ts
index 17c168c..c266bb4 100644
--- a/backend/src/config/validate.spec.ts
+++ b/backend/src/config/validate.spec.ts
@@ -17,7 +17,6 @@ const validConfig = (overrides: Record<string, unknown> = {}): Record<string, un
     ALTCHA_HMAC_KEY: 'secret',
     ALTCHA_MAX_NUMBER: 50000,
     ALTCHA_CHALLENGE_TTL_MS: 600_000,
-    NEVER_MODE_INACTIVITY_DAYS: 365,
     THROTTLE_TTL_MS: 60000,
     THROTTLE_LIMIT: 1000,
     THROTTLE_UPLOAD_TTL_MS: 60000,
diff --git a/backend/src/config/validate.ts b/backend/src/config/validate.ts
index 698d4e6..298f535 100644
--- a/backend/src/config/validate.ts
+++ b/backend/src/config/validate.ts
@@ -65,12 +65,6 @@ class EnvironmentVariables {
     @Max(3_600_000)
     ALTCHA_CHALLENGE_TTL_MS: number;
 
-    @IsNotEmpty()
-    @IsNumber()
-    @Min(1)
-    @Max(3650)
-    NEVER_MODE_INACTIVITY_DAYS: number;
-
     @IsNotEmpty()
     @IsNumber()
     @Min(1000)