diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/AbstractLoanBusinessEventSerializer.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/AbstractLoanBusinessEventSerializer.java
new file mode 100644
index 000000000..f9e32aa17
--- /dev/null
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/AbstractLoanBusinessEventSerializer.java
@@ -0,0 +1,41 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.infrastructure.event.external.service.serialization.serializer.loan;
+
+import java.nio.ByteBuffer;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.apache.fineract.infrastructure.event.business.domain.BusinessEvent;
+import org.apache.fineract.infrastructure.event.external.service.serialization.serializer.BusinessEventSerializer;
+import org.apache.fineract.infrastructure.event.external.service.serialization.serializer.ExternalEventCustomDataSerializer;
+
+public abstract class AbstractLoanBusinessEventSerializer<T extends BusinessEvent<?>> implements BusinessEventSerializer {
+
+    protected Map<String, ByteBuffer> collectCustomData(final T event) {
+        return getExternalEventCustomDataSerializers().stream().collect(HashMap::new, (map, serializer) -> {
+            ByteBuffer buffer = serializer.serialize(event);
+            if (buffer != null) {
+                map.put(serializer.key(), buffer);
+            }
+        }, HashMap::putAll);
+    }
+
+    protected abstract List<ExternalEventCustomDataSerializer<T>> getExternalEventCustomDataSerializers();
+}
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanBusinessEventSerializer.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanBusinessEventSerializer.java
index 43ea187f6..117b3f4b2 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanBusinessEventSerializer.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanBusinessEventSerializer.java
@@ -18,11 +18,8 @@
  */
 package org.apache.fineract.infrastructure.event.external.service.serialization.serializer.loan;
 
-import java.nio.ByteBuffer;
 import java.util.Collection;
 import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import org.apache.avro.generic.GenericContainer;
 import org.apache.commons.collections4.CollectionUtils;
@@ -50,7 +47,7 @@ import org.springframework.stereotype.Component;
 
 @Component
 @RequiredArgsConstructor
-public class LoanBusinessEventSerializer implements BusinessEventSerializer {
+public class LoanBusinessEventSerializer extends AbstractLoanBusinessEventSerializer<LoanBusinessEvent> implements BusinessEventSerializer {
 
     private final LoanReadPlatformService service;
     private final LoanAccountDataMapper mapper;
@@ -116,9 +113,8 @@ public class LoanBusinessEventSerializer implements BusinessEventSerializer {
         return LoanAccountDataV1.class;
     }
 
-    private Map<String, ByteBuffer> collectCustomData(final LoanBusinessEvent event) {
-        return externalEventCustomDataSerializers.stream().collect(Collectors.toMap(ExternalEventCustomDataSerializer::key,
-                serializer -> serializer.serialize(event), (existing, replacement) -> replacement));
+    @Override
+    protected List<ExternalEventCustomDataSerializer<LoanBusinessEvent>> getExternalEventCustomDataSerializers() {
+        return externalEventCustomDataSerializers;
     }
-
 }
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanChargeOffBusinessEventSerializer.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanChargeOffBusinessEventSerializer.java
index 7a65d0972..c4aaa6dff 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanChargeOffBusinessEventSerializer.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanChargeOffBusinessEventSerializer.java
@@ -62,7 +62,6 @@ public class LoanChargeOffBusinessEventSerializer extends LoanTransactionBusines
         LoanTransactionBusinessEvent event = (LoanTransactionBusinessEvent) rawEvent;
         List<UnpaidChargeData> unpaidChargeDataList = loanTransactionRepository.fetchTotalUnpaidChargesForLoan(event.get().getLoan());
         transactionDataV1.setUnpaidCharges(unpaidChargeDataMapper.map(unpaidChargeDataList));
-        transactionDataV1.setCustomData(collectCustomData(event));
         return transactionDataV1;
     }
 
diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanTransactionBusinessEventSerializer.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanTransactionBusinessEventSerializer.java
index 0bf852aa9..808aafca7 100644
--- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanTransactionBusinessEventSerializer.java
+++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/event/external/service/serialization/serializer/loan/LoanTransactionBusinessEventSerializer.java
@@ -18,10 +18,7 @@
  */
 package org.apache.fineract.infrastructure.event.external.service.serialization.serializer.loan;
 
-import java.nio.ByteBuffer;
 import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import org.apache.avro.generic.GenericContainer;
 import org.apache.fineract.avro.generator.ByteBufferSerializable;
@@ -38,7 +35,8 @@ import org.springframework.stereotype.Component;
 
 @Component
 @RequiredArgsConstructor
-public class LoanTransactionBusinessEventSerializer implements BusinessEventSerializer {
+public class LoanTransactionBusinessEventSerializer extends AbstractLoanBusinessEventSerializer<LoanTransactionBusinessEvent>
+        implements BusinessEventSerializer {
 
     private final LoanReadPlatformService service;
     private final LoanTransactionDataMapper loanTransactionMapper;
@@ -69,9 +67,8 @@ public class LoanTransactionBusinessEventSerializer implements BusinessEventSeri
         return LoanTransactionDataV1.class;
     }
 
-    protected Map<String, ByteBuffer> collectCustomData(final LoanTransactionBusinessEvent event) {
-        return externalEventCustomDataSerializers.stream().collect(Collectors.toMap(ExternalEventCustomDataSerializer::key,
-                serializer -> serializer.serialize(event), (existing, replacement) -> replacement));
+    @Override
+    protected List<ExternalEventCustomDataSerializer<LoanTransactionBusinessEvent>> getExternalEventCustomDataSerializers() {
+        return externalEventCustomDataSerializers;
     }
-
 }