diff --git a/apm-agent-plugins/apm-micrometer-plugin/src/main/java/co/elastic/apm/agent/micrometer/MicrometerMeterRegistrySerializer.java b/apm-agent-plugins/apm-micrometer-plugin/src/main/java/co/elastic/apm/agent/micrometer/MicrometerMeterRegistrySerializer.java
index 14e207a71d..590cf1a4f3 100644
--- a/apm-agent-plugins/apm-micrometer-plugin/src/main/java/co/elastic/apm/agent/micrometer/MicrometerMeterRegistrySerializer.java
+++ b/apm-agent-plugins/apm-micrometer-plugin/src/main/java/co/elastic/apm/agent/micrometer/MicrometerMeterRegistrySerializer.java
@@ -26,8 +26,6 @@
 import co.elastic.apm.agent.tracer.configuration.MetricsConfiguration;
 import co.elastic.apm.agent.tracer.reporting.DataWriter;
 import co.elastic.apm.agent.tracer.reporting.ReportingTracer;
-import com.dslplatform.json.DslJson;
-import com.dslplatform.json.JsonWriter;
 import io.micrometer.core.instrument.Counter;
 import io.micrometer.core.instrument.DistributionSummary;
 import io.micrometer.core.instrument.FunctionCounter;
@@ -326,14 +324,4 @@ private static void serializeObjectStart(String key, String objectName, String s
     private static boolean isValidValue(double value) {
         return !Double.isNaN(value) && !Double.isInfinite(value);
     }
-
-    public static void main(String[] args) {
-        DslJson<Object> dslJson = new DslJson<>(new DslJson.Settings<>());
-        JsonWriter jw = dslJson.newWriter(512);
-        jw.writeAscii("\"foo\"");
-        //jw.writeString("foo");
-        String string = jw.toString();
-        System.out.println(string);
-
-    }
 }