diff --git a/tools/donate_cpu_lib.py b/tools/donate_cpu_lib.py
index d9bd321745d..f3e39efffbd 100644
--- a/tools/donate_cpu_lib.py
+++ b/tools/donate_cpu_lib.py
@@ -608,25 +608,6 @@ def diff_results(ver1, results1, ver2, results2):
         ret += ver2 + ' ' + r2[i2] + '\n'
         i2 += 1
 
-    # if there are syntaxError/unknownMacro/etc then analysis stops.
-    # diffing normal checker warnings will not make much sense
-    bailout_ids = ('[syntaxError]', '[unknownMacro]')
-    has_bailout_id = False
-    for id in bailout_ids:
-        if (id in results1) or (id in results1):
-            has_bailout_id = True
-    if has_bailout_id:
-        def check_bailout(line):
-            for id in bailout_ids:
-                if line.endswith(id):
-                    return True
-            return False
-        out = ''
-        for line in ret.split('\n'):
-            if check_bailout(line):
-                out += line + '\n'
-        ret = out
-
     return ret