diff --git a/presto-main/src/main/java/com/facebook/presto/operator/scalar/sql/ArraySqlFunctions.java b/presto-main/src/main/java/com/facebook/presto/operator/scalar/sql/ArraySqlFunctions.java
index b51855cc9a2ee..2fc1218ea2408 100644
--- a/presto-main/src/main/java/com/facebook/presto/operator/scalar/sql/ArraySqlFunctions.java
+++ b/presto-main/src/main/java/com/facebook/presto/operator/scalar/sql/ArraySqlFunctions.java
@@ -69,7 +69,7 @@ public static String arrayFrequency()
                 "m -> m)";
     }
 
-    @SqlInvokedScalarFunction(value = "array_duplicates", alias = {"array_dupes"}, deterministic = true, calledOnNullInput = false)
+    @SqlInvokedScalarFunction(value = "array_duplicates", deterministic = true, calledOnNullInput = false)
     @Description("Returns set of elements that have duplicates")
     @SqlParameter(name = "input", type = "array(T)")
     @TypeParameter("T")
@@ -81,7 +81,7 @@ public static String arrayDuplicates()
                 "map_keys(map_filter(array_frequency(input), (k, v) -> v > 1)))";
     }
 
-    @SqlInvokedScalarFunction(value = "array_has_duplicates", alias = {"array_has_dupes"}, deterministic = true, calledOnNullInput = false)
+    @SqlInvokedScalarFunction(value = "array_has_duplicates", deterministic = true, calledOnNullInput = false)
     @Description("Returns whether array has any duplicate element")
     @TypeParameter("T")
     @SqlParameter(name = "input", type = "array(T)")
diff --git a/presto-main/src/test/java/com/facebook/presto/operator/scalar/sql/TestArraySqlFunctions.java b/presto-main/src/test/java/com/facebook/presto/operator/scalar/sql/TestArraySqlFunctions.java
index bcc96309d96ad..2e0e865f13be4 100644
--- a/presto-main/src/test/java/com/facebook/presto/operator/scalar/sql/TestArraySqlFunctions.java
+++ b/presto-main/src/test/java/com/facebook/presto/operator/scalar/sql/TestArraySqlFunctions.java
@@ -196,9 +196,6 @@ public void testArrayHasDuplicates()
         assertFunction("array_has_duplicates(array[0, null])", BOOLEAN, false);
         assertFunction("array_has_duplicates(array[0, null, null])", BOOLEAN, true);
 
-        // Test legacy name.
-        assertFunction("array_has_dupes(array[varchar 'a', varchar 'b', varchar 'a'])", BOOLEAN, true);
-
         assertFunction("array_has_duplicates(array[array[1], array[2], array[]])", BOOLEAN, false);
         assertFunction("array_has_duplicates(array[array[1], array[2], array[2]])", BOOLEAN, true);
         assertFunction("array_has_duplicates(array[(1, 2), (1, 2)])", BOOLEAN, true);
@@ -224,9 +221,6 @@ public void testArrayDuplicates()
         assertFunction("array_duplicates(array[0, null])", new ArrayType(INTEGER), ImmutableList.of());
         assertFunction("array_duplicates(array[0, null, null])", new ArrayType(INTEGER), singletonList(null));
 
-        // Test legacy name.
-        assertFunction("array_dupes(array[1, 2, 1])", new ArrayType(INTEGER), ImmutableList.of(1));
-
         RowType rowType = RowType.from(ImmutableList.of(RowType.field(INTEGER), RowType.field(INTEGER)));
         assertFunction("array_duplicates(array[array[1], array[2], array[]])", new ArrayType(new ArrayType(INTEGER)), ImmutableList.of());
         assertFunction("array_duplicates(array[array[1], array[2], array[2]])", new ArrayType(new ArrayType(INTEGER)), ImmutableList.of(ImmutableList.of(2)));