diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala
index 48beffa18a..d7ee22fe1b 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala
@@ -126,40 +126,6 @@ object Literal {
   def fromObject(obj: Any, objType: DataType): Literal = new Literal(obj, objType)
   def fromObject(obj: Any): Literal = new Literal(obj, ObjectType(obj.getClass))
 
-  def fromJSON(json: JValue): Literal = {
-    val dataType = DataType.parseDataType(json \ "dataType")
-    json \ "value" match {
-      case JNull => Literal.create(null, dataType)
-      case JString(str) => fromString(str, dataType)
-      case other => sys.error(s"$other is not a valid Literal json value")
-    }
-  }
-
-  /**
-   * Constructs a Literal from a String
-   */
-  def fromString(str: String, dataType: DataType): Literal = {
-    val value = dataType match {
-      case BooleanType => str.toBoolean
-      case ByteType => str.toByte
-      case ShortType => str.toShort
-      case IntegerType => str.toInt
-      case LongType => str.toLong
-      case FloatType => str.toFloat
-      case DoubleType => str.toDouble
-      case StringType => UTF8String.fromString(str)
-      case DateType => java.sql.Date.valueOf(str)
-      case TimestampType => java.sql.Timestamp.valueOf(str)
-      case CalendarIntervalType => CalendarInterval.fromString(str)
-      case t: DecimalType =>
-        val d = Decimal(str)
-        assert(d.changePrecision(t.precision, t.scale))
-        d
-      case _ => null
-    }
-    Literal.create(value, dataType)
-  }
-
   def create(v: Any, dataType: DataType): Literal = {
     Literal(CatalystTypeConverters.convertToCatalyst(v), dataType)
   }
diff --git a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/LiteralExpressionSuite.scala b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/LiteralExpressionSuite.scala
index 133aaa449e..995d7b4557 100644
--- a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/LiteralExpressionSuite.scala
+++ b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/LiteralExpressionSuite.scala
@@ -228,25 +228,4 @@ class LiteralExpressionSuite extends SparkFunSuite with ExpressionEvalHelper {
     checkEvaluation(Literal('\u0000'), "\u0000")
     checkEvaluation(Literal.create('\n'), "\n")
   }
-
-  test("fromString converts String/DataType input correctly") {
-    checkEvaluation(Literal.fromString(false.toString, BooleanType), false)
-    checkEvaluation(Literal.fromString(null, NullType), null)
-    checkEvaluation(Literal.fromString(Int.MaxValue.toByte.toString, ByteType), Int.MaxValue.toByte)
-    checkEvaluation(Literal.fromString(Short.MaxValue.toShort.toString, ShortType), Short.MaxValue
-      .toShort)
-    checkEvaluation(Literal.fromString(Int.MaxValue.toString, IntegerType), Int.MaxValue)
-    checkEvaluation(Literal.fromString(Long.MaxValue.toString, LongType), Long.MaxValue)
-    checkEvaluation(Literal.fromString(Float.MaxValue.toString, FloatType), Float.MaxValue)
-    checkEvaluation(Literal.fromString(Double.MaxValue.toString, DoubleType), Double.MaxValue)
-    checkEvaluation(Literal.fromString("1.23456", DecimalType(10, 5)), Decimal(1.23456))
-    checkEvaluation(Literal.fromString("Databricks", StringType), "Databricks")
-    val dateString = "1970-01-01"
-    checkEvaluation(Literal.fromString(dateString, DateType), java.sql.Date.valueOf(dateString))
-    val timestampString = "0000-01-01 00:00:00"
-    checkEvaluation(Literal.fromString(timestampString, TimestampType),
-      java.sql.Timestamp.valueOf(timestampString))
-    val calInterval = new CalendarInterval(1, 1)
-    checkEvaluation(Literal.fromString(calInterval.toString, CalendarIntervalType), calInterval)
-  }
 }