diff --git a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/class/model.tab..st b/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/class/model.tab..st
deleted file mode 100644
index b8d5609463..0000000000
--- a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/class/model.tab..st
+++ /dev/null
@@ -1,6 +0,0 @@
-instance creation
-model: aModel tab: aTab
-	^ self new 
-		model: aModel; 
-		tab: aTab;
-		yourself
\ No newline at end of file
diff --git a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/class/tab..st b/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/class/tab..st
index ef07f67a66..d1585ca918 100644
--- a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/class/tab..st
+++ b/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/class/tab..st
@@ -1,5 +1,5 @@
 instance creation
 tab: aTab
-	^ self new 
+	^ self new
 		tab: aTab;
 		yourself
\ No newline at end of file
diff --git a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/instance/model..st b/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/instance/model..st
deleted file mode 100644
index 28b53584ac..0000000000
--- a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/instance/model..st
+++ /dev/null
@@ -1,3 +0,0 @@
-accessing
-model: anObject
-	model := anObject
\ No newline at end of file
diff --git a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/instance/model.st b/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/instance/model.st
deleted file mode 100644
index ab508f25c1..0000000000
--- a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/instance/model.st
+++ /dev/null
@@ -1,3 +0,0 @@
-accessing
-model
-	^ model
\ No newline at end of file
diff --git a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/properties.json b/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/properties.json
index 8a793bac9d..844ba9df7f 100644
--- a/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/properties.json
+++ b/Iceberg-TipUI.package/IceTipHistoryDiffUpdater.class/properties.json
@@ -6,7 +6,6 @@
 	"pools" : [ ],
 	"classvars" : [ ],
 	"instvars" : [
-		"model",
 		"tab"
 	],
 	"name" : "IceTipHistoryDiffUpdater",