diff --git a/.zuul.yaml b/.zuul.yaml
index 4085ba0751..a11624be76 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -38,14 +38,12 @@
       Run py27 test for sysinv
     nodeset: ubuntu-xenial
     required-projects:
-      - starlingx/update
       - starlingx/fault
-      - starlingx/integ
+      - starlingx/update
+      - starlingx/utilities
     files:
       - sysinv/sysinv/*
     vars:
-      tox_environment:
-        STX_PREFIX: ''
       tox_envlist: py27
       tox_extra_args: -c sysinv/sysinv/sysinv/tox.ini
 
@@ -56,14 +54,12 @@
       Run py35 test for sysinv
     nodeset: ubuntu-xenial
     required-projects:
-      - starlingx/update
       - starlingx/fault
-      - starlingx/integ
+      - starlingx/update
+      - starlingx/utilities
     files:
       - sysinv/sysinv/*
     vars:
-      tox_environment:
-        STX_PREFIX: ''
       tox_envlist: py35
       tox_extra_args: -c sysinv/sysinv/sysinv/tox.ini
 
@@ -75,8 +71,6 @@
     files:
       - sysinv/sysinv/*
     vars:
-      tox_environment:
-        STX_PREFIX: ''
       tox_envlist: flake8
       tox_extra_args: -c sysinv/sysinv/sysinv/tox.ini
 
@@ -86,14 +80,12 @@
     description: |
       Run pylint test for sysinv
     required-projects:
-      - starlingx/update
       - starlingx/fault
-      - starlingx/integ
+      - starlingx/update
+      - starlingx/utilities
     files:
       - sysinv/sysinv/*
     vars:
-      tox_environment:
-        STX_PREFIX: ''
       tox_envlist: pylint
       tox_extra_args: -c sysinv/sysinv/sysinv/tox.ini
 
@@ -144,8 +136,8 @@
     parent: flock-devstack-base
     required-projects:
       - starlingx/fault
-      - starlingx/integ
       - starlingx/update
+      - starlingx/utilities
     vars:
       tox_envlist: functional
       devstack_services:
diff --git a/sysinv/sysinv/sysinv/tox.ini b/sysinv/sysinv/sysinv/tox.ini
index 9a40be2749..5a1a5185ac 100644
--- a/sysinv/sysinv/sysinv/tox.ini
+++ b/sysinv/sysinv/sysinv/tox.ini
@@ -29,8 +29,6 @@ install_command = pip install \
 
 # Note the hash seed is set to 0 until can be tested with a
 # random hash seed successfully.
-# Note: Developers can leave STX_PREFIX unset in their env, and it will default to "stx-".
-# Zuul sets STX_PREFIX to an empty string.
 setenv = VIRTUAL_ENV={envdir}
          PYTHONHASHSEED=0
          PYTHONDONTWRITEBYTECODE=1
@@ -42,17 +40,16 @@ setenv = VIRTUAL_ENV={envdir}
          SYSINV_TEST_ENV=True
          TOX_WORK_DIR={toxworkdir}
          PYLINTHOME={toxworkdir}
-         STX_PREFIX = {env:STX_PREFIX:stx-}
 
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-       -e{[tox]stxdir}/{env:STX_PREFIX}config/tsconfig/tsconfig
-       -e{[tox]stxdir}/{env:STX_PREFIX}fault/fm-api
-       -e{[tox]stxdir}/{env:STX_PREFIX}fault/python-fmclient/fmclient
-       -e{[tox]stxdir}/{env:STX_PREFIX}config/controllerconfig/controllerconfig
-       -e{[tox]stxdir}/{env:STX_PREFIX}update/cgcs-patch/cgcs-patch
-       -e{[tox]stxdir}/{env:STX_PREFIX}integ/utilities/platform-util/platform-util
-       -e{[tox]stxdir}/{env:STX_PREFIX}integ/ceph/python-cephclient/python-cephclient
+       -e{[tox]stxdir}/config/tsconfig/tsconfig
+       -e{[tox]stxdir}/fault/fm-api
+       -e{[tox]stxdir}/fault/python-fmclient/fmclient
+       -e{[tox]stxdir}/config/controllerconfig/controllerconfig
+       -e{[tox]stxdir}/update/cgcs-patch/cgcs-patch
+       -e{[tox]stxdir}/utilities/utilities/platform-util/platform-util
+       -e{[tox]stxdir}/utilities/ceph/python-cephclient/python-cephclient
 
 commands =
   find . -type f -name "*.pyc" -delete