--- a/ipc/ipdl/ipdl/parser.py
+++ b/ipc/ipdl/ipdl/parser.py
@@ -153,17 +153,17 @@ reserved = set((
         'using',
         'verify'))
 tokens = [
     'COLONCOLON', 'ID', 'STRING',
 ] + [ r.upper() for r in reserved ]
 
 t_COLONCOLON = '::'
 
-literals = '(){}[]<>;:,~'
+literals = '(){}[]<>;:,'
 t_ignore = ' \f\t\v'
 
 def t_linecomment(t):
     r'//[^\n]*'
 
 def t_multilinecomment(t):
     r'/\*(\n|.)*?\*/'
     t.lexer.lineno += t.value.count('\n')
@@ -520,22 +520,19 @@ def p_MessageBody(p):
     msg.addOutParams(p[3])
     msg.addModifiers(p[4])
 
     p[0] = msg
 
 def p_MessageId(p):
     """MessageId : ID
                  | __DELETE__
-                 | DELETE
-                 | '~' ID"""
+                 | DELETE"""
     loc = locFromTok(p, 1)
-    if 3 == len(p):
-        _error(loc, "sorry, `%s()' destructor syntax is a relic from a bygone era.  Declare `__delete__()' in the `%s' protocol instead", p[1]+p[2], p[2])
-    elif 'delete' == p[1]:
+    if 'delete' == p[1]:
         _error(loc, "`delete' is a reserved identifier")
     p[0] = [ loc, p[1] ]
 
 def p_MessageInParams(p):
     """MessageInParams : '(' ParamList ')'"""
     p[0] = p[2]
 
 def p_MessageOutParams(p):