--- a/Tools__BreakpointBrowser.st	Sat Feb 07 15:27:49 2015 +0100
+++ b/Tools__BreakpointBrowser.st	Sat Feb 07 15:40:51 2015 +0100
@@ -880,11 +880,11 @@
 !BreakpointBrowser methodsFor:'aspects'!
 
 enableAssertions
-    ^ (Smalltalk at:#IgnoreAssertion ifAbsent:false) not
+    ^ Smalltalk ignoreAssertions not
 !
 
 enableAssertions:aBoolean
-    ^ Smalltalk at:#IgnoreAssertion put:aBoolean not
+    Smalltalk ignoreAssertions:aBoolean not.
 !
 
 enableHalts
@@ -2057,11 +2057,11 @@
 !BreakpointBrowser class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libtool/Tools__BreakpointBrowser.st,v 1.52 2014-07-08 14:47:59 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libtool/Tools__BreakpointBrowser.st,v 1.53 2015-02-07 14:40:51 cg Exp $'
 !
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libtool/Tools__BreakpointBrowser.st,v 1.52 2014-07-08 14:47:59 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libtool/Tools__BreakpointBrowser.st,v 1.53 2015-02-07 14:40:51 cg Exp $'
 ! !