diff --git a/dev-support/hbase-personality.sh b/dev-support/hbase-personality.sh
index 7f961c0e1ed..00be1079b0f 100755
--- a/dev-support/hbase-personality.sh
+++ b/dev-support/hbase-personality.sh
@@ -140,11 +140,7 @@ function personality_modules
 
   clear_personality_queue
 
-  # Pass maven a -T argument. Should make it run faster. Pass conservative value.
-  # Default is one thread. 0.5C on an apache box of 24 cores and 2 executors should
-  # make for 6 threads? Lets see. See below for more on -T:
-  # https://cwiki.apache.org/confluence/display/MAVEN/Parallel+builds+in+Maven+3
-  extra="-T0.5C -DHBasePatchProcess"
+  extra="-DHBasePatchProcess"
   if [[ "${PATCH_BRANCH}" = branch-1* ]]; then
     extra="${extra} -Dhttps.protocols=TLSv1.2"
   fi