diff --git a/java/src/com/android/inputmethod/latin/StringUtils.java b/java/src/com/android/inputmethod/latin/StringUtils.java
index 3ca209d34..7f1e7c619 100644
--- a/java/src/com/android/inputmethod/latin/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/StringUtils.java
@@ -282,15 +282,4 @@ public final class StringUtils {
         }
         return builder.toString();
     }
-
-    public static boolean containsAny(final String string, final String separators) {
-        final int len = separators.length();
-        for (int i = 0; i < len; i = separators.offsetByCodePoints(i, 1)) {
-            final int separator = separators.codePointAt(i);
-            if (-1 != string.indexOf(separator)) {
-                return true;
-            }
-        }
-        return false;
-    }
 }
diff --git a/tests/src/com/android/inputmethod/latin/StringUtilsTests.java b/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
index 136faff71..98a50b730 100644
--- a/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
+++ b/tests/src/com/android/inputmethod/latin/StringUtilsTests.java
@@ -215,22 +215,4 @@ public class StringUtilsTests extends AndroidTestCase {
         checkCapitalize("Lorem!Ipsum (dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet",
                 " \n,.;!?*()&", Locale.ENGLISH);
     }
-
-    public void testContainsAny() {
-        assertFalse(StringUtils.containsAny("", " "));
-        assertFalse(StringUtils.containsAny("test and retest", ""));
-        assertTrue(StringUtils.containsAny("test and retest", "x3iq o"));
-        assertTrue(StringUtils.containsAny("test and retest", "x3iqo "));
-        assertTrue(StringUtils.containsAny("test and retest", " x3iqo"));
-        assertFalse(StringUtils.containsAny("test and retest", "x3iqo"));
-        assertTrue(StringUtils.containsAny("test and retest", "tse "));
-        assertTrue(StringUtils.containsAny("test and retest.", ".?()"));
-        assertFalse(StringUtils.containsAny("test and retest", ".?()"));
-        // Surrogate pair
-        assertTrue(StringUtils.containsAny("test and \uD861\uDED7 retest.", "\uD861\uDED7"));
-        // Ill-formed string
-        assertFalse(StringUtils.containsAny("test and \uD861 retest.", "\uD861\uDED7"));
-        // Ill-formed string
-        assertFalse(StringUtils.containsAny("test and \uDED7 retest.", "\uD861\uDED7"));
-    }
 }