diff --git a/api/src/main/java/ca/bc/gov/educ/api/graduation/util/JsonTransformer.java b/api/src/main/java/ca/bc/gov/educ/api/graduation/util/JsonTransformer.java
index cb7f2e44..4c8d6f1a 100644
--- a/api/src/main/java/ca/bc/gov/educ/api/graduation/util/JsonTransformer.java
+++ b/api/src/main/java/ca/bc/gov/educ/api/graduation/util/JsonTransformer.java
@@ -9,12 +9,12 @@
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.ArrayList;
 
 @Component
 public class JsonTransformer implements Transformer {
 
     private static final Logger log = LoggerFactory.getLogger(JsonTransformer.class);
+    private static final String MARSHALLING_MSG = "Time taken for unmarshalling response from String to {} is {} ms";
 
     final ObjectMapper objectMapper;
 
@@ -36,35 +36,6 @@ public Object unmarshall(byte[] input, Class<?> clazz) {
         return result;
     }
 
-    public Object unmarshallWithWrapper(String input, Class<?> clazz) {
-        final ObjectReader reader = objectMapper.readerFor(clazz);
-        Object result = null;
-        long start = System.currentTimeMillis();
-        try {
-            result = reader
-                    .with(DeserializationFeature.UNWRAP_ROOT_VALUE)
-                    .with(DeserializationFeature.USE_JAVA_ARRAY_FOR_JSON_ARRAY)
-                    .readValue(input);
-        } catch (IOException e) {
-            log.error(e.getLocalizedMessage(), e);
-        }
-        log.debug("Time taken for unmarshalling response from String to {} is {} ms", clazz.getSimpleName(), (System.currentTimeMillis() - start));
-        return result;
-    }
-
-    public String marshallWithWrapper(Object input) {
-        ObjectWriter prettyPrinter = objectMapper.writer();
-        String result = null;
-        try {
-            result = prettyPrinter
-                    .with(SerializationFeature.WRAP_ROOT_VALUE)
-                    .writeValueAsString(input);
-        } catch (IOException e) {
-            log.error(e.getLocalizedMessage(), e);
-        }
-
-        return result;
-    }
 
     @Override
     public Object unmarshall(String input, Class<?> clazz) {
@@ -75,7 +46,7 @@ public Object unmarshall(String input, Class<?> clazz) {
         } catch (IOException e) {
             log.error(e.getLocalizedMessage(), e);
         }
-        log.debug("Time taken for unmarshalling response from String to {} is {} ms", clazz.getName(), (System.currentTimeMillis() - start));
+        log.debug(MARSHALLING_MSG, clazz.getName(), (System.currentTimeMillis() - start));
         return result;
     }
 
@@ -88,7 +59,7 @@ public Object unmarshall(String input, TypeReference<?> valueTypeRef) {
         } catch (IOException e) {
             log.error(e.getLocalizedMessage(), e);
         }
-        log.debug("Time taken for unmarshalling response from String to {} is {} ms", valueTypeRef.getType().getTypeName(), (System.currentTimeMillis() - start));
+        log.debug(MARSHALLING_MSG, valueTypeRef.getType().getTypeName(), (System.currentTimeMillis() - start));
         return result;
     }
 
@@ -107,17 +78,12 @@ public Object unmarshall(InputStream input, Class<?> clazz) {
 
     @Override
     public String marshall(Object input) {
-        ObjectWriter prettyPrinter = objectMapper.writerWithDefaultPrettyPrinter();
         String result = null;
         try {
-            result = prettyPrinter
-                    .with(SerializationFeature.INDENT_OUTPUT)
-                    .with(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS)
-                    .writeValueAsString(input);
+            result = objectMapper.writeValueAsString(input);
         } catch (IOException e) {
             log.error(e.getLocalizedMessage(), e);
         }
-
         return result;
     }
 
diff --git a/tools/config/update-configmap.sh b/tools/config/update-configmap.sh
index ceb8d1eb..bef5cee3 100644
--- a/tools/config/update-configmap.sh
+++ b/tools/config/update-configmap.sh
@@ -23,7 +23,7 @@ FLB_CONFIG="[SERVICE]
    Exclude_Path *.gz,*.zip
    Parser docker
    Mem_Buf_Limit 20MB
-   Buffer_Max_Size 1MB
+   Buffer_Max_Size 4MB
 [FILTER]
    Name record_modifier
    Match *