diff --git a/src/app-gocardless/banks/ssk_dusseldorf_dussdeddxxx.js b/src/app-gocardless/banks/ssk_dusseldorf_dussdeddxxx.js
index 1de9f4848..b196afe44 100644
--- a/src/app-gocardless/banks/ssk_dusseldorf_dussdeddxxx.js
+++ b/src/app-gocardless/banks/ssk_dusseldorf_dussdeddxxx.js
@@ -7,6 +7,18 @@ export default {
   institutionIds: ['SSK_DUSSELDORF_DUSSDEDDXXX'],
 
   normalizeTransaction(transaction, _booked) {
+    // If the transaction is not booked yet by the bank, don't import it.
+    // Reason being that the transaction doesn't have the information yet
+    // to make the payee and notes field be of any use. It's filled with
+    // a placeholder text and wouldn't be corrected on the next sync.
+    if (!_booked) {
+      console.debug(
+        'Skipping unbooked transaction:',
+        transaction.transactionId,
+      );
+      return null;
+    }
+
     // Prioritize unstructured information, falling back to structured formats
     let remittanceInformationUnstructured =
       transaction.remittanceInformationUnstructured ??
@@ -14,10 +26,12 @@ export default {
       transaction.remittanceInformationStructuredArray?.join(' ');
 
     if (transaction.additionalInformation)
-      remittanceInformationUnstructured =
-        (remittanceInformationUnstructured ?? '') +
-        ' ' +
-        transaction.additionalInformation;
+      remittanceInformationUnstructured = [
+        remittanceInformationUnstructured,
+        transaction.additionalInformation,
+      ]
+        .filter(Boolean)
+        .join(' ');
 
     const usefulCreditorName =
       transaction.ultimateCreditor ||
diff --git a/src/app-gocardless/banks/tests/ssk_dusseldorf_dussdeddxxx.spec.js b/src/app-gocardless/banks/tests/ssk_dusseldorf_dussdeddxxx.spec.js
new file mode 100644
index 000000000..d04f8daea
--- /dev/null
+++ b/src/app-gocardless/banks/tests/ssk_dusseldorf_dussdeddxxx.spec.js
@@ -0,0 +1,101 @@
+import { jest } from '@jest/globals';
+import SskDusseldorfDussdeddxxx from '../ssk_dusseldorf_dussdeddxxx.js';
+
+describe('ssk_dusseldorf_dussdeddxxx', () => {
+  let consoleSpy;
+
+  beforeEach(() => {
+    consoleSpy = jest.spyOn(console, 'debug');
+  });
+
+  afterEach(() => {
+    consoleSpy.mockRestore();
+  });
+
+  describe('#normalizeTransaction', () => {
+    const bookedTransactionOne = {
+      transactionId: '2024102900000000-1',
+      bookingDate: '2024-10-29',
+      valueDate: '2024-10-29',
+      transactionAmount: {
+        amount: '-99.99',
+        currency: 'EUR',
+      },
+      creditorName: 'a useful creditor name',
+      remittanceInformationStructured: 'structured information',
+      remittanceInformationUnstructured: 'unstructured information',
+      additionalInformation: 'some additional information',
+    };
+
+    const bookedTransactionTwo = {
+      transactionId: '2024102900000000-2',
+      bookingDate: '2024-10-29',
+      valueDate: '2024-10-29',
+      transactionAmount: {
+        amount: '-99.99',
+        currency: 'EUR',
+      },
+      creditorName: 'a useful creditor name',
+      ultimateCreditor: 'ultimate creditor',
+      remittanceInformationStructured: 'structured information',
+      additionalInformation: 'some additional information',
+    };
+
+    it('properly combines remittance information', () => {
+      expect(
+        SskDusseldorfDussdeddxxx.normalizeTransaction(
+          bookedTransactionOne,
+          true,
+        ).remittanceInformationUnstructured,
+      ).toEqual('unstructured information some additional information');
+
+      expect(
+        SskDusseldorfDussdeddxxx.normalizeTransaction(
+          bookedTransactionTwo,
+          true,
+        ).remittanceInformationUnstructured,
+      ).toEqual('structured information some additional information');
+    });
+
+    it('prioritizes creditor names correctly', () => {
+      expect(
+        SskDusseldorfDussdeddxxx.normalizeTransaction(
+          bookedTransactionOne,
+          true,
+        ).payeeName,
+      ).toEqual('A Useful Creditor Name');
+
+      expect(
+        SskDusseldorfDussdeddxxx.normalizeTransaction(
+          bookedTransactionTwo,
+          true,
+        ).payeeName,
+      ).toEqual('Ultimate Creditor');
+    });
+
+    const unbookedTransaction = {
+      transactionId: '2024102900000000-1',
+      valueDate: '2024-10-29',
+      transactionAmount: {
+        amount: '-99.99',
+        currency: 'EUR',
+      },
+      creditorName: 'some nonsensical creditor',
+      remittanceInformationUnstructured: 'some nonsensical information',
+    };
+
+    it('returns null for unbooked transactions', () => {
+      expect(
+        SskDusseldorfDussdeddxxx.normalizeTransaction(
+          unbookedTransaction,
+          false,
+        ),
+      ).toBeNull();
+
+      expect(consoleSpy).toHaveBeenCalledWith(
+        'Skipping unbooked transaction:',
+        unbookedTransaction.transactionId,
+      );
+    });
+  });
+});
diff --git a/upcoming-release-notes/553.md b/upcoming-release-notes/553.md
new file mode 100644
index 000000000..0f6ee353e
--- /dev/null
+++ b/upcoming-release-notes/553.md
@@ -0,0 +1,6 @@
+---
+category: Enhancements
+authors: [DennaGherlyn]
+---
+
+Remove non-booked transactions from import of SSK_DUSSELDORF_DUSSDEDDXXX due to placeholder text in the payee and notes field
\ No newline at end of file