diff --git a/compiler/cmdlinehelper.nim b/compiler/cmdlinehelper.nim
index 9fbf4a0b07..8bd0733140 100644
--- a/compiler/cmdlinehelper.nim
+++ b/compiler/cmdlinehelper.nim
@@ -48,15 +48,6 @@ proc loadConfigsAndRunMainCommand*(self: NimProg, cache: IdentCache; conf: Confi
   if self.suggestMode:
     conf.command = "nimsuggest"
 
-  # These defines/options should not be enabled while processing nimscript
-  # bug #4446, #9420, #8991, #9589, #9153
-  undefSymbol(conf.symbols, "profiler")
-  undefSymbol(conf.symbols, "memProfiler")
-  undefSymbol(conf.symbols, "nodejs")
-
-  # bug #9120
-  conf.globalOptions.excl(optTaintMode)
-
   proc runNimScriptIfExists(path: AbsoluteFile)=
     if fileExists(path):
       runNimScript(cache, path, freshDefines = false, conf)
@@ -88,9 +79,6 @@ proc loadConfigsAndRunMainCommand*(self: NimProg, cache: IdentCache; conf: Confi
         # 'nimsuggest foo.nims' means to just auto-complete the NimScript file
         discard
 
-  # Reload configuration from .cfg file
-  loadConfigs(DefaultConfig, cache, conf)
-
   # now process command line arguments again, because some options in the
   # command line can overwite the config file's settings
   extccomp.initVars(conf)