diff --git a/backend/internal/service/admin_account_concurrency_test.go b/backend/internal/service/admin_account_concurrency_test.go
index 3544f80e24..da57b5a64f 100644
--- a/backend/internal/service/admin_account_concurrency_test.go
+++ b/backend/internal/service/admin_account_concurrency_test.go
@@ -5,23 +5,16 @@ package service
 import (
 	"testing"
 
-	"github.com/Wei-Shaw/sub2api/internal/pkg/xai"
 	"github.com/stretchr/testify/require"
 )
 
-func TestNormalizeAccountConcurrencyCapsGrokOAuthUnlessUnsafe(t *testing.T) {
-	t.Setenv(xai.EnvUnsafeAllowHighConcurrency, "")
-
+func TestNormalizeAccountConcurrencyDefaultsInvalidGrokOAuthToOne(t *testing.T) {
 	require.Equal(t, 1, normalizeAccountConcurrency(PlatformGrok, AccountTypeOAuth, 0))
 	require.Equal(t, 1, normalizeAccountConcurrency(PlatformGrok, AccountTypeOAuth, -5))
-	require.Equal(t, 1, normalizeAccountConcurrency(PlatformGrok, AccountTypeOAuth, 50))
+}
+
+func TestNormalizeAccountConcurrencyPreservesExplicitValues(t *testing.T) {
+	require.Equal(t, 50, normalizeAccountConcurrency(PlatformGrok, AccountTypeOAuth, 50))
 	require.Equal(t, 2, normalizeAccountConcurrency(PlatformOpenAI, AccountTypeOAuth, 2))
 	require.Equal(t, 2, normalizeAccountConcurrency(PlatformGrok, AccountTypeAPIKey, 2))
 }
-
-func TestNormalizeAccountConcurrencyAllowsGrokOAuthUnsafeOverride(t *testing.T) {
-	t.Setenv(xai.EnvUnsafeAllowHighConcurrency, "true")
-
-	require.Equal(t, 50, normalizeAccountConcurrency(PlatformGrok, AccountTypeOAuth, 50))
-	require.Equal(t, 1, normalizeAccountConcurrency(PlatformGrok, AccountTypeOAuth, 0))
-}
diff --git a/backend/internal/service/admin_service.go b/backend/internal/service/admin_service.go
index bacd134db4..7685174f3b 100644
--- a/backend/internal/service/admin_service.go
+++ b/backend/internal/service/admin_service.go
@@ -2640,9 +2640,6 @@ func normalizeAccountConcurrency(platform, accountType string, concurrency int)
 		if concurrency <= 0 {
 			return 1
 		}
-		if concurrency > 1 && !xai.AllowUnsafeHighConcurrency() {
-			return 1
-		}
 	}
 	return concurrency
 }