diff --git a/history.txt b/history.txt
index 390a2085..412f4f12 100755
--- a/history.txt
+++ b/history.txt
@@ -4042,3 +4042,4 @@ Translation Updates:
 180319
 ------
 * Threads: initialize Process>>gensyms with null (because it's hardly ever needed)
+* Objects: remove obsolete STOP primitive from the stage's palette
diff --git a/objects.js b/objects.js
index c02014e8..3afc2bcc 100644
--- a/objects.js
+++ b/objects.js
@@ -83,7 +83,7 @@ BlockEditorMorph, BlockDialogMorph, PrototypeHatBlockMorph, localize,
 TableMorph, TableFrameMorph, normalizeCanvas, BooleanSlotMorph, HandleMorph,
 AlignmentMorph, Process*/
 
-modules.objects = '2018-March-13';
+modules.objects = '2018-March-19';
 
 var SpriteMorph;
 var StageMorph;
@@ -7163,7 +7163,10 @@ StageMorph.prototype.blockTemplates = function (category) {
         blocks.push(block('doStopAll'));
     */
         blocks.push(block('doStopThis'));
+    /*
+        // migrated to doStopThis, now redundant
         blocks.push(block('doStopOthers'));
+    */
         blocks.push('-');
         blocks.push(block('doRun'));
         blocks.push(block('fork'));