diff --git a/config/nim.cfg b/config/nim.cfg
index 3b964d124e24..86c6e2141e6c 100644
--- a/config/nim.cfg
+++ b/config/nim.cfg
@@ -154,9 +154,6 @@ nimblepath="$home/.nimble/pkgs/"
 # Configuration for the GNU C/C++ compiler:
 @if windows:
   #gcc.path = r"$nim\dist\mingw\bin"
-  @if gcc or tcc:
-    tlsEmulation:on
-  @end
 @end
 
 gcc.maxerrorsimpl = "-fmax-errors=3"