diff --git a/pig/src/test/java/org/apache/calcite/test/PigRelBuilderStyleTest.java b/pig/src/test/java/org/apache/calcite/test/PigRelBuilderStyleTest.java
index e7149f9677a..c75a8aea900 100644
--- a/pig/src/test/java/org/apache/calcite/test/PigRelBuilderStyleTest.java
+++ b/pig/src/test/java/org/apache/calcite/test/PigRelBuilderStyleTest.java
@@ -74,6 +74,7 @@ public void testScanAndFilter() throws Exception {
   }
 
   @Test
+  @Ignore("CALCITE-1751")
   public void testImplWithMultipleFilters() {
     final SchemaPlus schema = createTestSchema();
     final RelBuilder builder = createRelBuilder(schema);
@@ -91,6 +92,7 @@ public void testImplWithMultipleFilters() {
   }
 
   @Test
+  @Ignore("CALCITE-1751")
   public void testImplWithGroupByAndCount() {
     final SchemaPlus schema = createTestSchema();
     final RelBuilder builder = createRelBuilder(schema);
@@ -126,6 +128,7 @@ public void testImplWithCountWithoutGroupBy() {
   }
 
   @Test
+  @Ignore("CALCITE-1751")
   public void testImplWithGroupByMultipleFields() {
     final SchemaPlus schema = createTestSchema();
     final RelBuilder builder = createRelBuilder(schema);