diff --git a/.cirrus.yml b/.cirrus.yml
index 8051272c..585aa42f 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -40,7 +40,7 @@ task:
     # We don't perfectly track freebsd stdlib.h definitions.  This is fine when
     # we count as a system header, but breaks otherwise, like during these
     # tests.
-    - ./configure --with-jemalloc-prefix=ci_ --enable-limit-usize-gap ${DEBUG_CONFIG} ${PROF_CONFIG} ${UNCOMMON_CONFIG}
+    - ./configure --with-jemalloc-prefix=ci_ ${DEBUG_CONFIG} ${PROF_CONFIG} ${UNCOMMON_CONFIG}
     - export JFLAG=`sysctl -n kern.smp.cpus`
     - gmake -j${JFLAG}
     - gmake -j${JFLAG} tests