diff -uwr firefox-67.0-old/toolkit/moz.configure firefox-67.0/toolkit/moz.configure
--- firefox-67.0-old/toolkit/moz.configure	2019-05-22 10:35:06.170036401 +0000
+++ firefox-67.0/toolkit/moz.configure	2019-05-22 10:36:21.680036609 +0000
@@ -70,10 +70,6 @@
     if value:
         return True
 
-set_config('MOZ_GECKO_PROFILER', gecko_profiler_define)
-set_define('MOZ_GECKO_PROFILER', gecko_profiler_define)
-
-
 # Whether code to parse ELF binaries should be compiled for the Gecko profiler
 # (for symbol table dumping).
 @depends(gecko_profiler, target)