diff --git a/src/main/java/org/elasticsearch/common/Explicit.java b/src/main/java/org/elasticsearch/common/Explicit.java
new file mode 100644
index 00000000000..dd7d67a92c8
--- /dev/null
+++ b/src/main/java/org/elasticsearch/common/Explicit.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to ElasticSearch and Shay Banon under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. ElasticSearch licenses this
+ * file to you 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.elasticsearch.common;
+
+/**
+ */
+public class Explicit<T> {
+
+    private final T value;
+    private final boolean explicit;
+
+    public Explicit(T value, boolean explicit) {
+        this.value = value;
+        this.explicit = explicit;
+    }
+
+    public T value() {
+        return this.value;
+    }
+
+    public boolean explicit() {
+        return this.explicit;
+    }
+}
diff --git a/src/main/java/org/elasticsearch/index/mapper/core/ByteFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/core/ByteFieldMapper.java
index c8bb5553529..a6acef2e02f 100644
--- a/src/main/java/org/elasticsearch/index/mapper/core/ByteFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/core/ByteFieldMapper.java
@@ -28,6 +28,7 @@ import org.apache.lucene.search.NumericRangeFilter;
 import org.apache.lucene.search.NumericRangeQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.NumericUtils;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.xcontent.XContentBuilder;
@@ -37,7 +38,6 @@ import org.elasticsearch.index.analysis.NumericIntegerAnalyzer;
 import org.elasticsearch.index.cache.field.data.FieldDataCache;
 import org.elasticsearch.index.field.data.FieldDataType;
 import org.elasticsearch.index.mapper.*;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryParseContext;
 import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
 
@@ -104,7 +104,7 @@ public class ByteFieldMapper extends NumberFieldMapper<Byte> {
 
     protected ByteFieldMapper(Names names, int precisionStep, String fuzzyFactor, Field.Index index, Field.Store store,
                               float boost, boolean omitNorms, IndexOptions indexOptions,
-                              Byte nullValue, boolean ignoreMalformed) {
+                              Byte nullValue, Explicit<Boolean> ignoreMalformed) {
         super(names, precisionStep, fuzzyFactor, index, store, boost, omitNorms, indexOptions,
                 ignoreMalformed, new NamedAnalyzer("_byte/" + precisionStep, new NumericIntegerAnalyzer(precisionStep)),
                 new NamedAnalyzer("_byte/max", new NumericIntegerAnalyzer(Integer.MAX_VALUE)));
diff --git a/src/main/java/org/elasticsearch/index/mapper/core/DateFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/core/DateFieldMapper.java
index f74d6ed8f36..4ea4255548d 100644
--- a/src/main/java/org/elasticsearch/index/mapper/core/DateFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/core/DateFieldMapper.java
@@ -27,6 +27,7 @@ import org.apache.lucene.search.NumericRangeFilter;
 import org.apache.lucene.search.NumericRangeQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.NumericUtils;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Numbers;
 import org.elasticsearch.common.Strings;
@@ -41,7 +42,6 @@ import org.elasticsearch.index.analysis.NumericDateAnalyzer;
 import org.elasticsearch.index.cache.field.data.FieldDataCache;
 import org.elasticsearch.index.field.data.FieldDataType;
 import org.elasticsearch.index.mapper.*;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryParseContext;
 import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
 
@@ -144,7 +144,7 @@ public class DateFieldMapper extends NumberFieldMapper<Long> {
     protected DateFieldMapper(Names names, FormatDateTimeFormatter dateTimeFormatter, int precisionStep, String fuzzyFactor,
                               Field.Index index, Field.Store store,
                               float boost, boolean omitNorms, IndexOptions indexOptions,
-                              String nullValue, TimeUnit timeUnit, boolean parseUpperInclusive, boolean ignoreMalformed) {
+                              String nullValue, TimeUnit timeUnit, boolean parseUpperInclusive, Explicit<Boolean> ignoreMalformed) {
         super(names, precisionStep, fuzzyFactor, index, store, boost, omitNorms, indexOptions,
                 ignoreMalformed, new NamedAnalyzer("_date/" + precisionStep,
                 new NumericDateAnalyzer(precisionStep, dateTimeFormatter.parser())),
diff --git a/src/main/java/org/elasticsearch/index/mapper/core/DoubleFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/core/DoubleFieldMapper.java
index f5268c49c78..93f3b963a52 100644
--- a/src/main/java/org/elasticsearch/index/mapper/core/DoubleFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/core/DoubleFieldMapper.java
@@ -28,6 +28,7 @@ import org.apache.lucene.search.NumericRangeFilter;
 import org.apache.lucene.search.NumericRangeQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.NumericUtils;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Numbers;
 import org.elasticsearch.common.xcontent.XContentBuilder;
@@ -37,7 +38,6 @@ import org.elasticsearch.index.analysis.NumericDoubleAnalyzer;
 import org.elasticsearch.index.cache.field.data.FieldDataCache;
 import org.elasticsearch.index.field.data.FieldDataType;
 import org.elasticsearch.index.mapper.*;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryParseContext;
 import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
 
@@ -107,7 +107,7 @@ public class DoubleFieldMapper extends NumberFieldMapper<Double> {
     protected DoubleFieldMapper(Names names, int precisionStep, String fuzzyFactor,
                                 Field.Index index, Field.Store store,
                                 float boost, boolean omitNorms, IndexOptions indexOptions,
-                                Double nullValue, boolean ignoreMalformed) {
+                                Double nullValue, Explicit<Boolean> ignoreMalformed) {
         super(names, precisionStep, fuzzyFactor, index, store, boost, omitNorms, indexOptions,
                 ignoreMalformed, new NamedAnalyzer("_double/" + precisionStep, new NumericDoubleAnalyzer(precisionStep)),
                 new NamedAnalyzer("_double/max", new NumericDoubleAnalyzer(Integer.MAX_VALUE)));
diff --git a/src/main/java/org/elasticsearch/index/mapper/core/FloatFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/core/FloatFieldMapper.java
index f923c1c9094..71225c9a41e 100644
--- a/src/main/java/org/elasticsearch/index/mapper/core/FloatFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/core/FloatFieldMapper.java
@@ -28,6 +28,7 @@ import org.apache.lucene.search.NumericRangeFilter;
 import org.apache.lucene.search.NumericRangeQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.NumericUtils;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Numbers;
 import org.elasticsearch.common.Strings;
@@ -38,7 +39,6 @@ import org.elasticsearch.index.analysis.NumericFloatAnalyzer;
 import org.elasticsearch.index.cache.field.data.FieldDataCache;
 import org.elasticsearch.index.field.data.FieldDataType;
 import org.elasticsearch.index.mapper.*;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryParseContext;
 import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
 
@@ -106,7 +106,7 @@ public class FloatFieldMapper extends NumberFieldMapper<Float> {
 
     protected FloatFieldMapper(Names names, int precisionStep, String fuzzyFactor, Field.Index index, Field.Store store,
                                float boost, boolean omitNorms, IndexOptions indexOptions,
-                               Float nullValue, boolean ignoreMalformed) {
+                               Float nullValue, Explicit<Boolean> ignoreMalformed) {
         super(names, precisionStep, fuzzyFactor, index, store, boost, omitNorms, indexOptions,
                 ignoreMalformed, new NamedAnalyzer("_float/" + precisionStep, new NumericFloatAnalyzer(precisionStep)),
                 new NamedAnalyzer("_float/max", new NumericFloatAnalyzer(Integer.MAX_VALUE)));
diff --git a/src/main/java/org/elasticsearch/index/mapper/core/IntegerFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/core/IntegerFieldMapper.java
index 8a6a897dc51..3ecb8a0f4be 100644
--- a/src/main/java/org/elasticsearch/index/mapper/core/IntegerFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/core/IntegerFieldMapper.java
@@ -28,6 +28,7 @@ import org.apache.lucene.search.NumericRangeFilter;
 import org.apache.lucene.search.NumericRangeQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.NumericUtils;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Numbers;
 import org.elasticsearch.common.Strings;
@@ -38,7 +39,6 @@ import org.elasticsearch.index.analysis.NumericIntegerAnalyzer;
 import org.elasticsearch.index.cache.field.data.FieldDataCache;
 import org.elasticsearch.index.field.data.FieldDataType;
 import org.elasticsearch.index.mapper.*;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryParseContext;
 import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
 
@@ -106,7 +106,7 @@ public class IntegerFieldMapper extends NumberFieldMapper<Integer> {
 
     protected IntegerFieldMapper(Names names, int precisionStep, String fuzzyFactor, Field.Index index, Field.Store store,
                                  float boost, boolean omitNorms, IndexOptions indexOptions,
-                                 Integer nullValue, boolean ignoreMalformed) {
+                                 Integer nullValue, Explicit<Boolean> ignoreMalformed) {
         super(names, precisionStep, fuzzyFactor, index, store, boost, omitNorms, indexOptions,
                 ignoreMalformed, new NamedAnalyzer("_int/" + precisionStep, new NumericIntegerAnalyzer(precisionStep)),
                 new NamedAnalyzer("_int/max", new NumericIntegerAnalyzer(Integer.MAX_VALUE)));
diff --git a/src/main/java/org/elasticsearch/index/mapper/core/LongFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/core/LongFieldMapper.java
index 5dad4f62de0..40d35b528ad 100644
--- a/src/main/java/org/elasticsearch/index/mapper/core/LongFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/core/LongFieldMapper.java
@@ -28,6 +28,7 @@ import org.apache.lucene.search.NumericRangeFilter;
 import org.apache.lucene.search.NumericRangeQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.NumericUtils;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Numbers;
 import org.elasticsearch.common.Strings;
@@ -38,7 +39,6 @@ import org.elasticsearch.index.analysis.NumericLongAnalyzer;
 import org.elasticsearch.index.cache.field.data.FieldDataCache;
 import org.elasticsearch.index.field.data.FieldDataType;
 import org.elasticsearch.index.mapper.*;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryParseContext;
 import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
 
@@ -106,7 +106,7 @@ public class LongFieldMapper extends NumberFieldMapper<Long> {
 
     protected LongFieldMapper(Names names, int precisionStep, String fuzzyFactor, Field.Index index, Field.Store store,
                               float boost, boolean omitNorms, IndexOptions indexOptions,
-                              Long nullValue, boolean ignoreMalformed) {
+                              Long nullValue, Explicit<Boolean> ignoreMalformed) {
         super(names, precisionStep, fuzzyFactor, index, store, boost, omitNorms, indexOptions,
                 ignoreMalformed, new NamedAnalyzer("_long/" + precisionStep, new NumericLongAnalyzer(precisionStep)),
                 new NamedAnalyzer("_long/max", new NumericLongAnalyzer(Integer.MAX_VALUE)));
diff --git a/src/main/java/org/elasticsearch/index/mapper/core/NumberFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/core/NumberFieldMapper.java
index fe3ef480183..f9403d819ce 100644
--- a/src/main/java/org/elasticsearch/index/mapper/core/NumberFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/core/NumberFieldMapper.java
@@ -28,6 +28,7 @@ import org.apache.lucene.index.FieldInfo.IndexOptions;
 import org.apache.lucene.search.Filter;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.NumericUtils;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.index.analysis.NamedAnalyzer;
@@ -51,7 +52,7 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
         public static final boolean OMIT_NORMS = true;
         public static final IndexOptions INDEX_OPTIONS = IndexOptions.DOCS_ONLY;
         public static final String FUZZY_FACTOR = null;
-        public static final boolean IGNORE_MALFORMED = false;
+        public static final Explicit<Boolean> IGNORE_MALFORMED = new Explicit<Boolean>(false, false);
     }
 
     public abstract static class Builder<T extends Builder, Y extends NumberFieldMapper> extends AbstractFieldMapper.Builder<T, Y> {
@@ -104,12 +105,12 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
             return builder;
         }
 
-        protected boolean ignoreMalformed(BuilderContext context) {
+        protected Explicit<Boolean> ignoreMalformed(BuilderContext context) {
             if (ignoreMalformed != null) {
-                return ignoreMalformed;
+                return new Explicit<Boolean>(ignoreMalformed, true);
             }
             if (context.indexSettings() != null) {
-                return context.indexSettings().getAsBoolean("index.mapping.ignore_malformed", Defaults.IGNORE_MALFORMED);
+                return new Explicit<Boolean>(context.indexSettings().getAsBoolean("index.mapping.ignore_malformed", Defaults.IGNORE_MALFORMED.value()), false);
             }
             return Defaults.IGNORE_MALFORMED;
         }
@@ -123,7 +124,7 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
 
     protected Boolean includeInAll;
 
-    protected boolean ignoreMalformed;
+    protected Explicit<Boolean> ignoreMalformed;
 
     private ThreadLocal<NumericTokenStream> tokenStream = new ThreadLocal<NumericTokenStream>() {
         @Override
@@ -135,7 +136,7 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
     protected NumberFieldMapper(Names names, int precisionStep, @Nullable String fuzzyFactor,
                                 Field.Index index, Field.Store store,
                                 float boost, boolean omitNorms, IndexOptions indexOptions,
-                                boolean ignoreMalformed, NamedAnalyzer indexAnalyzer, NamedAnalyzer searchAnalyzer) {
+                                Explicit<Boolean> ignoreMalformed, NamedAnalyzer indexAnalyzer, NamedAnalyzer searchAnalyzer) {
         super(names, index, store, Field.TermVector.NO, boost, boost != 1.0f || omitNorms, indexOptions, indexAnalyzer, searchAnalyzer);
         if (precisionStep <= 0 || precisionStep >= maxPrecisionStep()) {
             this.precisionStep = Integer.MAX_VALUE;
@@ -185,7 +186,7 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
             e = e2;
         }
 
-        if (ignoreMalformed) {
+        if (ignoreMalformed.value()) {
             return null;
         } else {
             throw e;
@@ -263,7 +264,9 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
             this.includeInAll = nfmMergeWith.includeInAll;
             this.fuzzyFactor = nfmMergeWith.fuzzyFactor;
             this.dFuzzyFactor = parseFuzzyFactor(nfmMergeWith.fuzzyFactor);
-            this.ignoreMalformed = nfmMergeWith.ignoreMalformed;
+            if (nfmMergeWith.ignoreMalformed.explicit()) {
+                this.ignoreMalformed = nfmMergeWith.ignoreMalformed;
+            }
         }
     }
 
@@ -320,6 +323,8 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
     @Override
     protected void doXContentBody(XContentBuilder builder) throws IOException {
         super.doXContentBody(builder);
-        builder.field("ignore_malformed", ignoreMalformed);
+        if (ignoreMalformed.explicit()) {
+            builder.field("ignore_malformed", ignoreMalformed.value());
+        }
     }
 }
diff --git a/src/main/java/org/elasticsearch/index/mapper/core/ShortFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/core/ShortFieldMapper.java
index bc7fac751c3..237b8b08d25 100644
--- a/src/main/java/org/elasticsearch/index/mapper/core/ShortFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/core/ShortFieldMapper.java
@@ -28,6 +28,7 @@ import org.apache.lucene.search.NumericRangeFilter;
 import org.apache.lucene.search.NumericRangeQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.NumericUtils;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Numbers;
 import org.elasticsearch.common.Strings;
@@ -38,7 +39,6 @@ import org.elasticsearch.index.analysis.NumericIntegerAnalyzer;
 import org.elasticsearch.index.cache.field.data.FieldDataCache;
 import org.elasticsearch.index.field.data.FieldDataType;
 import org.elasticsearch.index.mapper.*;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryParseContext;
 import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
 
@@ -106,7 +106,7 @@ public class ShortFieldMapper extends NumberFieldMapper<Short> {
 
     protected ShortFieldMapper(Names names, int precisionStep, String fuzzyFactor, Field.Index index, Field.Store store,
                                float boost, boolean omitNorms, IndexOptions indexOptions,
-                               Short nullValue, boolean ignoreMalformed) {
+                               Short nullValue, Explicit<Boolean> ignoreMalformed) {
         super(names, precisionStep, fuzzyFactor, index, store, boost, omitNorms, indexOptions,
                 ignoreMalformed, new NamedAnalyzer("_short/" + precisionStep, new NumericIntegerAnalyzer(precisionStep)),
                 new NamedAnalyzer("_short/max", new NumericIntegerAnalyzer(Integer.MAX_VALUE)));
diff --git a/src/main/java/org/elasticsearch/index/mapper/internal/BoostFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/internal/BoostFieldMapper.java
index fb3a91048e0..97ef611857f 100644
--- a/src/main/java/org/elasticsearch/index/mapper/internal/BoostFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/internal/BoostFieldMapper.java
@@ -118,7 +118,7 @@ public class BoostFieldMapper extends NumberFieldMapper<Float> implements Intern
                                float boost, boolean omitNorms, IndexOptions indexOptions,
                                Float nullValue) {
         super(new Names(name, indexName, indexName, name), precisionStep, null, index, store, boost, omitNorms, indexOptions,
-                false, new NamedAnalyzer("_float/" + precisionStep, new NumericFloatAnalyzer(precisionStep)),
+                Defaults.IGNORE_MALFORMED, new NamedAnalyzer("_float/" + precisionStep, new NumericFloatAnalyzer(precisionStep)),
                 new NamedAnalyzer("_float/max", new NumericFloatAnalyzer(Integer.MAX_VALUE)));
         this.nullValue = nullValue;
     }
diff --git a/src/main/java/org/elasticsearch/index/mapper/internal/TTLFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/internal/TTLFieldMapper.java
index 6f3468ea147..86bdc43775f 100644
--- a/src/main/java/org/elasticsearch/index/mapper/internal/TTLFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/internal/TTLFieldMapper.java
@@ -21,6 +21,7 @@ package org.elasticsearch.index.mapper.internal;
 
 import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Fieldable;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.unit.TimeValue;
 import org.elasticsearch.common.xcontent.XContentBuilder;
@@ -107,7 +108,7 @@ public class TTLFieldMapper extends LongFieldMapper implements InternalMapper, R
         this(Defaults.STORE, Defaults.INDEX, Defaults.ENABLED, Defaults.DEFAULT, Defaults.IGNORE_MALFORMED);
     }
 
-    protected TTLFieldMapper(Field.Store store, Field.Index index, boolean enabled, long defaultTTL, boolean ignoreMalformed) {
+    protected TTLFieldMapper(Field.Store store, Field.Index index, boolean enabled, long defaultTTL, Explicit<Boolean> ignoreMalformed) {
         super(new Names(Defaults.NAME, Defaults.NAME, Defaults.NAME, Defaults.NAME), Defaults.PRECISION_STEP,
                 Defaults.FUZZY_FACTOR, index, store, Defaults.BOOST, Defaults.OMIT_NORMS, Defaults.INDEX_OPTIONS,
                 Defaults.NULL_VALUE, ignoreMalformed);
diff --git a/src/main/java/org/elasticsearch/index/mapper/internal/TimestampFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/internal/TimestampFieldMapper.java
index 1ba1ac7f5e9..9c6ce847168 100644
--- a/src/main/java/org/elasticsearch/index/mapper/internal/TimestampFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/internal/TimestampFieldMapper.java
@@ -21,6 +21,7 @@ package org.elasticsearch.index.mapper.internal;
 
 import org.apache.lucene.document.Field;
 import org.apache.lucene.document.Fieldable;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.joda.FormatDateTimeFormatter;
 import org.elasticsearch.common.joda.Joda;
@@ -123,7 +124,7 @@ public class TimestampFieldMapper extends DateFieldMapper implements InternalMap
     }
 
     protected TimestampFieldMapper(Field.Store store, Field.Index index, boolean enabled, String path,
-                                   FormatDateTimeFormatter dateTimeFormatter, boolean parseUpperInclusive, boolean ignoreMalformed) {
+                                   FormatDateTimeFormatter dateTimeFormatter, boolean parseUpperInclusive, Explicit<Boolean> ignoreMalformed) {
         super(new Names(Defaults.NAME, Defaults.NAME, Defaults.NAME, Defaults.NAME), dateTimeFormatter,
                 Defaults.PRECISION_STEP, Defaults.FUZZY_FACTOR, index, store, Defaults.BOOST, Defaults.OMIT_NORMS, Defaults.INDEX_OPTIONS,
                 Defaults.NULL_VALUE, TimeUnit.MILLISECONDS /*always milliseconds*/,
diff --git a/src/main/java/org/elasticsearch/index/mapper/ip/IpFieldMapper.java b/src/main/java/org/elasticsearch/index/mapper/ip/IpFieldMapper.java
index 0500cb6a4e7..5cf1ebdacc4 100644
--- a/src/main/java/org/elasticsearch/index/mapper/ip/IpFieldMapper.java
+++ b/src/main/java/org/elasticsearch/index/mapper/ip/IpFieldMapper.java
@@ -26,6 +26,7 @@ import org.apache.lucene.index.FieldInfo.IndexOptions;
 import org.apache.lucene.search.*;
 import org.apache.lucene.util.NumericUtils;
 import org.elasticsearch.ElasticSearchIllegalArgumentException;
+import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Numbers;
 import org.elasticsearch.common.Strings;
@@ -39,7 +40,6 @@ import org.elasticsearch.index.field.data.FieldDataType;
 import org.elasticsearch.index.mapper.*;
 import org.elasticsearch.index.mapper.core.LongFieldMapper;
 import org.elasticsearch.index.mapper.core.NumberFieldMapper;
-import org.elasticsearch.index.mapper.core.BooleanFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryParseContext;
 import org.elasticsearch.index.search.NumericRangeFieldDataFilter;
 
@@ -132,7 +132,7 @@ public class IpFieldMapper extends NumberFieldMapper<Long> {
     protected IpFieldMapper(Names names, int precisionStep,
                             Field.Index index, Field.Store store,
                             float boost, boolean omitNorms, IndexOptions indexOptions,
-                            String nullValue, boolean ignoreMalformed) {
+                            String nullValue, Explicit<Boolean> ignoreMalformed) {
         super(names, precisionStep, null, index, store, boost, omitNorms, indexOptions,
                 ignoreMalformed, new NamedAnalyzer("_ip/" + precisionStep, new NumericIpAnalyzer(precisionStep)),
                 new NamedAnalyzer("_ip/max", new NumericIpAnalyzer(Integer.MAX_VALUE)));