diff --git a/src/main/java/graphql/scalars/object/ObjectScalar.java b/src/main/java/graphql/scalars/object/ObjectScalar.java
index 030972b..829eb5f 100644
--- a/src/main/java/graphql/scalars/object/ObjectScalar.java
+++ b/src/main/java/graphql/scalars/object/ObjectScalar.java
@@ -65,9 +65,6 @@ public Object parseLiteral(Object input, Map<String, Object> variables) throws C
                         "Expected AST type 'Value' but was '" + typeName(input) + "'."
                 );
             }
-            if (input instanceof NullValue) {
-                return null;
-            }
             if (input instanceof FloatValue) {
                 return ((FloatValue) input).getValue();
             }
diff --git a/src/test/groovy/graphql/scalars/object/ObjectScalarTest.groovy b/src/test/groovy/graphql/scalars/object/ObjectScalarTest.groovy
index b155231..056abe1 100644
--- a/src/test/groovy/graphql/scalars/object/ObjectScalarTest.groovy
+++ b/src/test/groovy/graphql/scalars/object/ObjectScalarTest.groovy
@@ -37,7 +37,6 @@ class ObjectScalarTest extends Specification {
         mkIntValue(666)      | 666
         mkBooleanValue(true) | true
         mkEnumValue("enum")  | "enum"
-        mkNullValue()        | null
         mkVarRef("varRef1")  | "value1"
         mkArrayValue([
                 mkStringValue("s"), mkIntValue(666)