diff --git a/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/log/JsonLogSpanListener.java b/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/log/JsonLogSpanListener.java
deleted file mode 100644
index f364ce5ef..000000000
--- a/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/log/JsonLogSpanListener.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2013-2015 the original author or authors.
- *
- * Licensed 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.springframework.cloud.sleuth.log;
-
-import lombok.Data;
-import lombok.SneakyThrows;
-import lombok.extern.apachecommons.CommonsLog;
-
-import org.springframework.cloud.sleuth.event.SpanReleasedEvent;
-import org.springframework.context.event.EventListener;
-import org.springframework.core.Ordered;
-import org.springframework.core.annotation.Order;
-
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-/**
- * @author Spencer Gibb
- */
-@CommonsLog
-@Data
-public class JsonLogSpanListener {
-
-	private final String prefix;
-	private final String suffix;
-	private final ObjectMapper objectMapper = new ObjectMapper();
-
-	public JsonLogSpanListener() {
-		this.prefix = "[span]";
-		this.suffix = "[endspan]";
-		this.objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-	}
-
-	@SneakyThrows
-	@EventListener(SpanReleasedEvent.class)
-	@Order(Ordered.LOWEST_PRECEDENCE-10)
-	public void stop(SpanReleasedEvent event) {
-		log.info(this.prefix + this.objectMapper.writeValueAsString(event.getSpan()) +
-				this.suffix);
-	}
-
-}
diff --git a/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/log/SleuthLogAutoConfiguration.java b/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/log/SleuthLogAutoConfiguration.java
index 4648e2d19..de338b4e9 100644
--- a/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/log/SleuthLogAutoConfiguration.java
+++ b/spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/log/SleuthLogAutoConfiguration.java
@@ -16,7 +16,6 @@
 
 package org.springframework.cloud.sleuth.log;
 
-import org.apache.commons.logging.Log;
 import org.slf4j.MDC;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
@@ -45,15 +44,4 @@ public class SleuthLogAutoConfiguration {
 			return new Slf4jSpanListener();
 		}
 	}
-
-	@Configuration
-	@ConditionalOnClass(Log.class)
-	protected static class JsonConfiguration {
-		@Bean
-		@ConditionalOnProperty("spring.sleuth.log.json.enabled")
-		public JsonLogSpanListener jsonSlf4jSpanListener() {
-			return new JsonLogSpanListener();
-		}
-	}
-
 }
diff --git a/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/log/JsonLogSpanListenerTests.java b/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/log/JsonLogSpanListenerTests.java
deleted file mode 100644
index ea2a150ac..000000000
--- a/spring-cloud-sleuth-core/src/test/java/org/springframework/cloud/sleuth/log/JsonLogSpanListenerTests.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright 2013-2015 the original author or authors.
- *
- * Licensed 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.springframework.cloud.sleuth.log;
-
-import org.junit.Rule;
-import org.junit.Test;
-import org.springframework.boot.test.OutputCapture;
-import org.springframework.cloud.sleuth.Span;
-import org.springframework.cloud.sleuth.event.SpanReleasedEvent;
-import org.springframework.util.StringUtils;
-
-import java.io.IOException;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-/**
- * @author Spencer Gibb
- */
-public class JsonLogSpanListenerTests {
-	@Rule
-	public final OutputCapture output = new OutputCapture();
-
-	@Test
-	public void jsonSpanIsOnOneLine() throws IOException {
-		JsonLogSpanListener listener = new JsonLogSpanListener();
-		Span span = Span.builder()
-				.name("testSpan")
-				.spanId(1L)
-				.parent(2L)
-				.traceId(3L)
-				.begin(1)
-				.end(10)
-				.build();
-		span.tag("myKey", "myVal");
-		span.logEvent("myTimelineAnnotation");
-		listener.stop(new SpanReleasedEvent(this, span));
-
-		String output = this.output.toString().trim();
-		assertTrue("output doesn't contain prefix", output.contains(listener.getPrefix()));
-		assertTrue("output doesn't contain suffix", output.contains(listener.getSuffix()));
-
-		int prefixIndex = output.indexOf(listener.getPrefix());
-		int suffixIndex = output.indexOf(listener.getSuffix());
-		String json = output.substring(prefixIndex + listener.getPrefix().length(), suffixIndex);
-		assertTrue("json is empty", StringUtils.hasText(json));
-		assertFalse("json contains linefeed", output.contains("\n"));
-		assertFalse("json contains carriage return", output.contains("\r"));
-
-		Span read = listener.getObjectMapper().readValue(json, Span.class);
-		assertEquals("span not equals", read, span);
-	}
-}