diff --git a/typo3/sysext/core/Classes/Configuration/Tca/TcaPreparation.php b/typo3/sysext/core/Classes/Configuration/Tca/TcaPreparation.php
index d7c9a355cca835ed63366bd44fda2f42789284a2..27ab017d7d9ce23f6dc58bd3b43ae25a9210d90e 100644
--- a/typo3/sysext/core/Classes/Configuration/Tca/TcaPreparation.php
+++ b/typo3/sysext/core/Classes/Configuration/Tca/TcaPreparation.php
@@ -566,14 +566,33 @@ readonly class TcaPreparation
 
     private function removeCustomFieldLabels(array $showitemParts, array $fieldList): array
     {
+        if ($fieldList === []) {
+            return $showitemParts;
+        }
         foreach ($showitemParts as &$showItem) {
-            // Check if we deal with a field
-            if (!str_starts_with($showItem, '--div--') && !str_starts_with($showItem, '--palette--')) {
-                $parts = GeneralUtility::trimExplode(';', $showItem, true, 2);
-                // Just keep the first part => the fieldname in case field is defined in the $fieldList
-                if ($fieldList !== [] && in_array($parts[0], $fieldList, true)) {
-                    $showItem = $parts[0];
+            // Tabs keep their labels
+            if (str_starts_with($showItem, '--div--')) {
+                continue;
+            }
+            // Remove label of palette
+            if (str_starts_with($showItem, '--palette--')) {
+                $parts = GeneralUtility::trimExplode(';', $showItem, true, 3);
+                // Palette without label, continue.
+                if (count($parts) !== 3) {
+                    continue;
                 }
+                $paletteName = '--palette--;;' . $parts[2];
+                if (in_array($paletteName, $fieldList, true)) {
+                    $showItem = $paletteName;
+                }
+                continue;
+            }
+            // This must be a field.
+            $parts = GeneralUtility::trimExplode(';', $showItem, true, 2);
+            $fieldName = $parts[0];
+            // Just keep the first part => the fieldname in case field is defined in the $fieldList
+            if (in_array($fieldName, $fieldList, true)) {
+                $showItem = $fieldName;
             }
         }
         return $showitemParts;
diff --git a/typo3/sysext/core/Tests/Unit/Configuration/Tca/TcaPreparationTest.php b/typo3/sysext/core/Tests/Unit/Configuration/Tca/TcaPreparationTest.php
index 895e4b59e99a25f0c58d5ff72bc0239343e46498..81f0bb97f644a7c83ac7b4f18e3491f7e0aeff15 100644
--- a/typo3/sysext/core/Tests/Unit/Configuration/Tca/TcaPreparationTest.php
+++ b/typo3/sysext/core/Tests/Unit/Configuration/Tca/TcaPreparationTest.php
@@ -855,6 +855,41 @@ final class TcaPreparationTest extends UnitTestCase
                 --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:extended
             ',
         ];
+        yield 'General palette with label already exists' => [
+            [
+                'types' => [
+                    'header' => [
+                        'showitem' => '
+                            --palette--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:palette.general;general,
+                            --palette--;;headers,
+                        --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:appearance,
+                            --palette--;;frames,
+                            --palette--;;appearanceLinks,
+                        --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:categories,
+                            categories,
+                        --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:extended,
+                    ',
+                    ],
+                ],
+            ],
+            '
+                    --palette--;;general,
+                    --palette--;;headers,
+                --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:appearance,
+                    --palette--;;frames,
+                    --palette--;;appearanceLinks,
+                --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:categories,
+                    categories,
+                --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:language,
+                    --palette--;;language,
+                --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:access,
+                    --palette--;;hidden,
+                    --palette--;;access,
+                --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:notes,
+                    rowDescription,
+                --div--;LLL:EXT:core/Resources/Private/Language/Form/locallang_tabs.xlf:extended
+            ',
+        ];
         yield 'Missing general palette' => [
             [
                 'palettes' => [