diff --git a/angr/analyses/disassembly.py b/angr/analyses/disassembly.py
index <HASH>..<HASH> 100644
--- a/angr/analyses/disassembly.py
+++ b/angr/analyses/disassembly.py
@@ -268,10 +268,6 @@ class Instruction(DisassemblyPiece):
                 else:
                     in_word = True
                     pieces.append(c)
-            elif c == '%':
-                in_word = False
-                pieces.append('%%')
-
             else:
                 in_word = False
                 pieces.append(c)
Fix %% register prefix (#<I>)

When register names start with %, split_op_string() replaces % with %%,

which then leaks into the UI.  I could not find a place where this is

used as a format string, so it appears superfluous.