diff --git a/model/src/main/java/org/mobilitydata/gtfsvalidator/annotation/RecommendedColumn.java b/model/src/main/java/org/mobilitydata/gtfsvalidator/annotation/RecommendedColumn.java
deleted file mode 100644
index f292ebd22d..0000000000
--- a/model/src/main/java/org/mobilitydata/gtfsvalidator/annotation/RecommendedColumn.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright 2020 Google LLC
- *
- * 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.mobilitydata.gtfsvalidator.annotation;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * Adds a validation that it's recommended that a column be present. A value for the field may be
- * optional.
- *
- * <p>Example.
- *
- * <pre>
- *   {@literal @}GtfsTable("stop_times.txt")
- *    public interface GtfsStopTimeSchema extends GtfsEntity {
- *
- *     {@literal @}DefaultValue("1")
- *     {@literal @}RecommendedColumn
- *      GtfsStopTimeTimepoint timepoint();
- *   }
- * </pre>
- */
-@Target({ElementType.METHOD, ElementType.TYPE})
-@Retention(RetentionPolicy.SOURCE)
-public @interface RecommendedColumn {}
diff --git a/processor/tests/src/main/java/org/mobilitydata/gtfsvalidator/processor/tests/RecommendedColumnAnnotationSchema.java b/processor/tests/src/main/java/org/mobilitydata/gtfsvalidator/processor/tests/RecommendedColumnAnnotationSchema.java
deleted file mode 100644
index dff043ff42..0000000000
--- a/processor/tests/src/main/java/org/mobilitydata/gtfsvalidator/processor/tests/RecommendedColumnAnnotationSchema.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package org.mobilitydata.gtfsvalidator.processor.tests;
-
-import org.mobilitydata.gtfsvalidator.annotation.GtfsTable;
-import org.mobilitydata.gtfsvalidator.annotation.RecommendedColumn;
-
-@GtfsTable("recommended_column.txt")
-public interface RecommendedColumnAnnotationSchema {
-
-  @RecommendedColumn
-  String columnRecommended();
-}
diff --git a/processor/tests/src/test/java/org/mobilitydata/gtfsvalidator/processor/tests/RecommendedColumnAnnotationSchemaTest.java b/processor/tests/src/test/java/org/mobilitydata/gtfsvalidator/processor/tests/RecommendedColumnAnnotationSchemaTest.java
deleted file mode 100644
index fd600103e2..0000000000
--- a/processor/tests/src/test/java/org/mobilitydata/gtfsvalidator/processor/tests/RecommendedColumnAnnotationSchemaTest.java
+++ /dev/null
@@ -1,51 +0,0 @@
-package org.mobilitydata.gtfsvalidator.processor.tests;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
-import org.mobilitydata.gtfsvalidator.notice.MissingRequiredColumnNotice;
-import org.mobilitydata.gtfsvalidator.table.RecommendedColumnAnnotationTableDescriptor;
-import org.mobilitydata.gtfsvalidator.testing.LoadingHelper;
-import org.mobilitydata.gtfsvalidator.validator.ValidatorLoaderException;
-
-@RunWith(JUnit4.class)
-public class RecommendedColumnAnnotationSchemaTest {
-  private RecommendedColumnAnnotationTableDescriptor tableDescriptor;
-  private LoadingHelper helper;
-
-  @Before
-  public void setup() throws ValidatorLoaderException {
-    tableDescriptor = new RecommendedColumnAnnotationTableDescriptor();
-    helper = new LoadingHelper();
-  }
-
-  @Test
-  public void includingRecommendedColumnHeaderWithoutValueShouldNotGenerateNotice()
-      throws ValidatorLoaderException {
-
-    helper.load(tableDescriptor, "some_column,column_recommended", "value,");
-
-    assertThat(
-        !helper
-            .getValidationNotices()
-            .contains(
-                new MissingRequiredColumnNotice("recommended_column.txt", "column_recommended")));
-  }
-
-  @Test
-  public void missingRecommendedColumnHeaderShouldGenerateNotice() throws ValidatorLoaderException {
-
-    helper.load(tableDescriptor, "column", "value");
-    // Since we use an unknown column ("column") we have to expect at least one unknown_column
-    // notice along with the
-    // missing_recommended_column notice.
-    assertThat(
-        helper
-            .getValidationNotices()
-            .contains(
-                new MissingRequiredColumnNotice("recommended_column.txt", "column_recommended")));
-  }
-}