diff --git a/x-pack/legacy/plugins/maps/public/layers/layer.js b/x-pack/legacy/plugins/maps/public/layers/layer.js
index 83713a1d6cd58..71e5d7b95e44f 100644
--- a/x-pack/legacy/plugins/maps/public/layers/layer.js
+++ b/x-pack/legacy/plugins/maps/public/layers/layer.js
@@ -332,10 +332,6 @@ export class AbstractLayer {
     return [];
   }
 
-  async getDateFields() {
-    return [];
-  }
-
   async getFields() {
     return [];
   }
diff --git a/x-pack/legacy/plugins/maps/public/layers/sources/es_search_source/es_search_source.js b/x-pack/legacy/plugins/maps/public/layers/sources/es_search_source/es_search_source.js
index 74abf3d10f1b0..66ed7e0ab4392 100644
--- a/x-pack/legacy/plugins/maps/public/layers/sources/es_search_source/es_search_source.js
+++ b/x-pack/legacy/plugins/maps/public/layers/sources/es_search_source/es_search_source.js
@@ -158,17 +158,6 @@ export class ESSearchSource extends AbstractESSource {
     );
   }
 
-  async getDateFields() {
-    try {
-      const indexPattern = await this.getIndexPattern();
-      return indexPattern.fields.getByType('date').map(field => {
-        return this.createField({ fieldName: field.name });
-      });
-    } catch (error) {
-      return [];
-    }
-  }
-
   async getFields() {
     try {
       const indexPattern = await this.getIndexPattern();
diff --git a/x-pack/legacy/plugins/maps/public/layers/sources/vector_source.js b/x-pack/legacy/plugins/maps/public/layers/sources/vector_source.js
index 3a42b84803dad..e397d19c7e66c 100644
--- a/x-pack/legacy/plugins/maps/public/layers/sources/vector_source.js
+++ b/x-pack/legacy/plugins/maps/public/layers/sources/vector_source.js
@@ -111,10 +111,6 @@ export class AbstractVectorSource extends AbstractSource {
     return null;
   }
 
-  async getDateFields() {
-    return [];
-  }
-
   async getFields() {
     return [...(await this.getDateFields()), ...(await this.getNumberFields())];
   }
diff --git a/x-pack/legacy/plugins/maps/public/layers/vector_layer.js b/x-pack/legacy/plugins/maps/public/layers/vector_layer.js
index f6eaab297dfe4..89284edad820e 100644
--- a/x-pack/legacy/plugins/maps/public/layers/vector_layer.js
+++ b/x-pack/legacy/plugins/maps/public/layers/vector_layer.js
@@ -196,10 +196,6 @@ export class VectorLayer extends AbstractLayer {
     return joinFields;
   }
 
-  async getDateFields() {
-    return await this._source.getDateFields();
-  }
-
   async getFields() {
     const sourceFields = await this._source.getFields();
     return [...sourceFields, ...this._getJoinFields()];