diff --git a/tools/repro-build.sh b/tools/repro-build.sh
index 4b3e72cf2..37bb3b774 100755
--- a/tools/repro-build.sh
+++ b/tools/repro-build.sh
@@ -123,7 +123,7 @@ $INST $(cut -c66- < /tmp/SHASUMS)
 
 # Build ready for packaging.
 # Once everyone has gcc8, we can use CC="gcc -ffile-prefix-map=$(pwd)=/home/clightning"
-./configure --prefix=/usr --enable-address-sanitizer CC="gcc -fdebug-prefix-map=$(pwd)=/home/clightning"
+./configure --prefix=/usr CC="gcc -fdebug-prefix-map=$(pwd)=/home/clightning"
 # libwally wants "python".  Seems to work to force it here.
 make PYTHON_VERSION=3
 make install DESTDIR=inst/