diff --git a/src/OpenTelemetry.Instrumentation.ElasticsearchClient/ElasticsearchClientInstrumentationOptions.cs b/src/OpenTelemetry.Instrumentation.ElasticsearchClient/ElasticsearchClientInstrumentationOptions.cs
index 43d42bc6d0..6030bc4a80 100644
--- a/src/OpenTelemetry.Instrumentation.ElasticsearchClient/ElasticsearchClientInstrumentationOptions.cs
+++ b/src/OpenTelemetry.Instrumentation.ElasticsearchClient/ElasticsearchClientInstrumentationOptions.cs
@@ -32,7 +32,7 @@ public class ElasticsearchClientInstrumentationOptions
     /// <summary>
     /// Gets or sets a value indicating whether the JSON request body should be parsed out of the request debug information and formatted as indented JSON.
     /// </summary>
-    public bool ParseAndFormatRequest { get; set; } = false;
+    public bool ParseAndFormatRequest { get; set; }
 
     /// <summary>
     /// Gets or sets a value indicating whether or not the OpenTelemetry.Instrumentation.ElasticsearchClient
diff --git a/src/OpenTelemetry.Instrumentation.ElasticsearchClient/Implementation/ElasticsearchRequestPipelineDiagnosticListener.cs b/src/OpenTelemetry.Instrumentation.ElasticsearchClient/Implementation/ElasticsearchRequestPipelineDiagnosticListener.cs
index c2c8414ff2..75a2803600 100644
--- a/src/OpenTelemetry.Instrumentation.ElasticsearchClient/Implementation/ElasticsearchRequestPipelineDiagnosticListener.cs
+++ b/src/OpenTelemetry.Instrumentation.ElasticsearchClient/Implementation/ElasticsearchRequestPipelineDiagnosticListener.cs
@@ -87,8 +87,8 @@ public override void OnStartActivity(Activity activity, object payload)
                 SuppressInstrumentationScope.Enter();
             }
 
-            var elasticIndex = this.GetElasticIndex(uri);
-            activity.DisplayName = this.GetDisplayName(activity, method, elasticIndex);
+            var elasticIndex = GetElasticIndex(uri);
+            activity.DisplayName = GetDisplayName(activity, method, elasticIndex);
             activity.SetTag(SemanticConventions.AttributeDbSystem, DatabaseSystemName);
 
             if (elasticIndex != null)
@@ -144,7 +144,7 @@ public override void OnStopActivity(Activity activity, object payload)
             var debugInformation = this.debugInformationFetcher.Fetch(payload);
             if (debugInformation != null && this.options.SetDbStatementForRequest)
             {
-                var dbStatement = this.ParseAndFormatRequest(activity, debugInformation);
+                var dbStatement = this.ParseAndFormatRequest(debugInformation);
                 if (this.options.MaxDbStatementLength > 0 && dbStatement.Length > this.options.MaxDbStatementLength)
                 {
                     dbStatement = dbStatement.Substring(0, this.options.MaxDbStatementLength);
@@ -201,7 +201,7 @@ public override void OnStopActivity(Activity activity, object payload)
         }
     }
 
-    private string GetDisplayName(Activity activity, object method, string elasticType = null)
+    private static string GetDisplayName(Activity activity, object method, string elasticType = null)
     {
         switch (activity.OperationName)
         {
@@ -223,7 +223,7 @@ private string GetDisplayName(Activity activity, object method, string elasticTy
         }
     }
 
-    private string GetElasticIndex(Uri uri)
+    private static string GetElasticIndex(Uri uri)
     {
         // first segment is always /
         if (uri.Segments.Length < 2)
@@ -232,7 +232,7 @@ private string GetElasticIndex(Uri uri)
         }
 
         // operations starting with _ are not indices (_cat, _search, etc)
-        if (uri.Segments[1].StartsWith("_"))
+        if (uri.Segments[1].StartsWith("_", StringComparison.Ordinal))
         {
             return null;
         }
@@ -245,7 +245,7 @@ private string GetElasticIndex(Uri uri)
             return null;
         }
 
-        if (elasticType.EndsWith("/"))
+        if (elasticType.EndsWith("/", StringComparison.Ordinal))
         {
             elasticType = elasticType.Substring(0, elasticType.Length - 1);
         }
@@ -253,7 +253,7 @@ private string GetElasticIndex(Uri uri)
         return elasticType;
     }
 
-    private string ParseAndFormatRequest(Activity activity, string debugInformation)
+    private string ParseAndFormatRequest(string debugInformation)
     {
         if (!this.options.ParseAndFormatRequest)
         {
@@ -275,9 +275,10 @@ private string ParseAndFormatRequest(Activity activity, string debugInformation)
                 return debugInformation;
             }
 
+            using (doc)
             using (var stream = new MemoryStream())
             {
-                var writer = new Utf8JsonWriter(stream, new JsonWriterOptions { Indented = true });
+                using var writer = new Utf8JsonWriter(stream, new JsonWriterOptions { Indented = true });
                 doc.WriteTo(writer);
                 writer.Flush();
                 body = Encoding.UTF8.GetString(stream.ToArray());