diff --git a/core/src/main/java/org/elasticsearch/common/xcontent/cbor/CborXContentGenerator.java b/core/src/main/java/org/elasticsearch/common/xcontent/cbor/CborXContentGenerator.java
index e63a928109d..119cb5c98c6 100644
--- a/core/src/main/java/org/elasticsearch/common/xcontent/cbor/CborXContentGenerator.java
+++ b/core/src/main/java/org/elasticsearch/common/xcontent/cbor/CborXContentGenerator.java
@@ -20,20 +20,14 @@
 package org.elasticsearch.common.xcontent.cbor;
 
 import com.fasterxml.jackson.core.JsonGenerator;
-import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.xcontent.XContentType;
 import org.elasticsearch.common.xcontent.json.JsonXContentGenerator;
 
 import java.io.OutputStream;
-import java.util.Collections;
 import java.util.Set;
 
 public class CborXContentGenerator extends JsonXContentGenerator {
 
-    public CborXContentGenerator(JsonGenerator jsonGenerator, OutputStream os) {
-        this(jsonGenerator, os, Collections.emptySet(), Collections.emptySet());
-    }
-
     public CborXContentGenerator(JsonGenerator jsonGenerator, OutputStream os, Set<String> includes, Set<String> excludes) {
         super(jsonGenerator, os, includes, excludes);
     }
diff --git a/core/src/main/java/org/elasticsearch/common/xcontent/json/JsonXContentGenerator.java b/core/src/main/java/org/elasticsearch/common/xcontent/json/JsonXContentGenerator.java
index 0742e4a716a..07ae16b96c6 100644
--- a/core/src/main/java/org/elasticsearch/common/xcontent/json/JsonXContentGenerator.java
+++ b/core/src/main/java/org/elasticsearch/common/xcontent/json/JsonXContentGenerator.java
@@ -44,7 +44,6 @@ import java.io.BufferedInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.util.Collections;
 import java.util.Objects;
 import java.util.Set;
 
@@ -73,10 +72,6 @@ public class JsonXContentGenerator implements XContentGenerator {
     private static final DefaultPrettyPrinter.Indenter INDENTER = new DefaultIndenter("  ", LF.getValue());
     private boolean prettyPrint = false;
 
-    public JsonXContentGenerator(JsonGenerator jsonGenerator, OutputStream os) {
-        this(jsonGenerator, os, Collections.emptySet(), Collections.emptySet());
-    }
-
     public JsonXContentGenerator(JsonGenerator jsonGenerator, OutputStream os, Set<String> includes, Set<String> excludes) {
         Objects.requireNonNull(includes, "Including filters must not be null");
         Objects.requireNonNull(excludes, "Excluding filters must not be null");
diff --git a/core/src/main/java/org/elasticsearch/common/xcontent/smile/SmileXContentGenerator.java b/core/src/main/java/org/elasticsearch/common/xcontent/smile/SmileXContentGenerator.java
index afa420805f7..f368c0e383f 100644
--- a/core/src/main/java/org/elasticsearch/common/xcontent/smile/SmileXContentGenerator.java
+++ b/core/src/main/java/org/elasticsearch/common/xcontent/smile/SmileXContentGenerator.java
@@ -20,20 +20,14 @@
 package org.elasticsearch.common.xcontent.smile;
 
 import com.fasterxml.jackson.core.JsonGenerator;
-import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.xcontent.XContentType;
 import org.elasticsearch.common.xcontent.json.JsonXContentGenerator;
 
 import java.io.OutputStream;
-import java.util.Collections;
 import java.util.Set;
 
 public class SmileXContentGenerator extends JsonXContentGenerator {
 
-    public SmileXContentGenerator(JsonGenerator jsonGenerator, OutputStream os) {
-        this(jsonGenerator, os, Collections.emptySet(), Collections.emptySet());
-    }
-
     public SmileXContentGenerator(JsonGenerator jsonGenerator, OutputStream os, Set<String> includes, Set<String> excludes) {
         super(jsonGenerator, os, includes, excludes);
     }
diff --git a/core/src/main/java/org/elasticsearch/common/xcontent/yaml/YamlXContentGenerator.java b/core/src/main/java/org/elasticsearch/common/xcontent/yaml/YamlXContentGenerator.java
index d2c53c8a020..0d969c21a0f 100644
--- a/core/src/main/java/org/elasticsearch/common/xcontent/yaml/YamlXContentGenerator.java
+++ b/core/src/main/java/org/elasticsearch/common/xcontent/yaml/YamlXContentGenerator.java
@@ -20,20 +20,14 @@
 package org.elasticsearch.common.xcontent.yaml;
 
 import com.fasterxml.jackson.core.JsonGenerator;
-import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.xcontent.XContentType;
 import org.elasticsearch.common.xcontent.json.JsonXContentGenerator;
 
 import java.io.OutputStream;
-import java.util.Collections;
 import java.util.Set;
 
 public class YamlXContentGenerator extends JsonXContentGenerator {
 
-    public YamlXContentGenerator(JsonGenerator jsonGenerator, OutputStream os) {
-        this(jsonGenerator, os, Collections.emptySet(), Collections.emptySet());
-    }
-
     public YamlXContentGenerator(JsonGenerator jsonGenerator, OutputStream os, Set<String> includes, Set<String> excludes) {
         super(jsonGenerator, os, includes, excludes);
     }