diff --git a/jstests/repl/repl16.js b/jstests/repl/repl16.js
index 143bab60968..e0b5540ee95 100644
--- a/jstests/repl/repl16.js
+++ b/jstests/repl/repl16.js
@@ -1,5 +1,5 @@
-// Test deduping of new documents with, and without, _ids.
-// SERVER-4940
+// Test deduping of new documents without an _id index
+// SERVER-14132
 
 if ( 0 ) {
 
@@ -10,8 +10,8 @@ function doTest( insert ) {
     master.getDB( 'd' ).createCollection( 'c', { capped:true, size:5*1024, autoIndexId:false } );
     mc = master.getDB( 'd' )[ 'c' ];
 
-    insert( {a:1} );
-    insert( {a:2} );
+    insert( {_id:1} );
+    insert( {_id:2} );
 
     slave = rt.start( false );
     sc = slave.getDB( 'd' )[ 'c' ];
@@ -19,9 +19,9 @@ function doTest( insert ) {
     // Wait for the slave to copy the documents.
     assert.soon( function() { return sc.count() == 2; } );
     
-    insert( {a:1} );
-    insert( {a:2} );
-    insert( {a:3} );
+    insert( {_id:1} );
+    insert( {_id:2} );
+    insert( {_id:3} );
     assert.eq( 5, mc.count() );
     
     // Wait for the slave to apply the operations.
@@ -35,13 +35,6 @@ function insertWithIds( obj ) {
     mc.insert( obj );
 }
 
-function insertWithoutIds( obj ) {
-    // Insert 'obj' via an upsert operation with a match expression that cannot match any documents.
-    // The insert operation is avoided because the mongo shell adds an _id on insert.
-    mc.update( { $where:'false' }, obj, true );
-}
-
 doTest( insertWithIds );
-doTest( insertWithoutIds );
 
 }