diff --git a/glusterfs.spec b/glusterfs.spec
index bd41d65..2cc4e23 100644
--- a/glusterfs.spec
+++ b/glusterfs.spec
@@ -151,9 +151,6 @@ links.
 %build
 %define _lto_cflags %nil
 ./autogen.sh
-# https://github.com/gluster/glusterfs/issues/3947
-export CFLAGS="%optflags -O0 -ggdb3"
-export CXXFLAGS="$CFLAGS"
 %configure \
 	--without-tcmalloc \
 	--disable-linux-io_uring \