2 files changed, 1 insertions, 7 deletions
diff --git a/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java b/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java
index 9871a70a40..9302b47292 100644
--- a/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java
@@ -17,10 +17,10 @@
 
 package org.apache.spark.unsafe.types;
 
+import javax.annotation.Nonnull;
 import java.io.Serializable;
 import java.io.UnsupportedEncodingException;
 import java.util.Arrays;
-import javax.annotation.Nonnull;
 
 import org.apache.spark.unsafe.PlatformDependent;
 
@@ -202,10 +202,6 @@ public final class UTF8String implements Comparable<UTF8String>, Serializable {
   public boolean equals(final Object other) {
     if (other instanceof UTF8String) {
       return Arrays.equals(bytes, ((UTF8String) other).getBytes());
-    } else if (other instanceof String) {
-      // Used only in unit tests.
-      String s = (String) other;
-      return bytes.length >= s.length() && length() == s.length() && toString().equals(s);
     } else {
       return false;
     }
diff --git a/unsafe/src/test/java/org/apache/spark/unsafe/types/UTF8StringSuite.java b/unsafe/src/test/java/org/apache/spark/unsafe/types/UTF8StringSuite.java
index 80c179a1b5..796cdc9dbe 100644
--- a/unsafe/src/test/java/org/apache/spark/unsafe/types/UTF8StringSuite.java
+++ b/unsafe/src/test/java/org/apache/spark/unsafe/types/UTF8StringSuite.java
@@ -28,8 +28,6 @@ public class UTF8StringSuite {
     Assert.assertEquals(UTF8String.fromString(str).length(), len);
     Assert.assertEquals(UTF8String.fromBytes(str.getBytes("utf8")).length(), len);
 
-    Assert.assertEquals(UTF8String.fromString(str), str);
-    Assert.assertEquals(UTF8String.fromBytes(str.getBytes("utf8")), str);
     Assert.assertEquals(UTF8String.fromString(str).toString(), str);
     Assert.assertEquals(UTF8String.fromBytes(str.getBytes("utf8")).toString(), str);
     Assert.assertEquals(UTF8String.fromBytes(str.getBytes("utf8")), UTF8String.fromString(str));