diff --git a/poky/meta/lib/oeqa/selftest/cases/devtool.py b/poky/meta/lib/oeqa/selftest/cases/devtool.py
index 7d8f895..b383ed9 100644
--- a/poky/meta/lib/oeqa/selftest/cases/devtool.py
+++ b/poky/meta/lib/oeqa/selftest/cases/devtool.py
@@ -1500,7 +1500,11 @@
             dstdir = os.path.join(dstdir, p)
             if not os.path.exists(dstdir):
                 os.makedirs(dstdir)
-                self.track_for_cleanup(dstdir)
+                if p == "lib":
+                    # Can race with other tests
+                    self.add_command_to_tearDown('rmdir --ignore-fail-on-non-empty %s' % dstdir)
+                else:
+                    self.track_for_cleanup(dstdir)
         dstfile = os.path.join(dstdir, os.path.basename(srcfile))
         if srcfile != dstfile:
             shutil.copy(srcfile, dstfile)
diff --git a/poky/meta/lib/oeqa/selftest/cases/oescripts.py b/poky/meta/lib/oeqa/selftest/cases/oescripts.py
index 2f18d8f..726daff 100644
--- a/poky/meta/lib/oeqa/selftest/cases/oescripts.py
+++ b/poky/meta/lib/oeqa/selftest/cases/oescripts.py
@@ -133,7 +133,7 @@
     def check_endlines(self, results,  expected_endlines): 
         for line in results.output.splitlines():
             for el in expected_endlines:
-                if line == el:
+                if line.split() == el.split():
                     expected_endlines.remove(el)
                     break
 
@@ -177,7 +177,7 @@
 
         self.check_endlines(results, expected_endlines)
 
-    def test_packageconfig_flags_optiins_preferred_only(self):
+    def test_packageconfig_flags_options_preferred_only(self):
         results = runCmd('%s/contrib/list-packageconfig-flags.py -p' % self.scripts_dir)
         expected_endlines = []
         expected_endlines.append("RECIPE NAME                  PACKAGECONFIG FLAGS")
diff --git a/poky/meta/lib/oeqa/selftest/cases/recipetool.py b/poky/meta/lib/oeqa/selftest/cases/recipetool.py
index 6bfe8f1..c2ade25 100644
--- a/poky/meta/lib/oeqa/selftest/cases/recipetool.py
+++ b/poky/meta/lib/oeqa/selftest/cases/recipetool.py
@@ -534,7 +534,11 @@
             dstdir = os.path.join(dstdir, p)
             if not os.path.exists(dstdir):
                 os.makedirs(dstdir)
-                self.track_for_cleanup(dstdir)
+                if p == "lib":
+                    # Can race with other tests
+                    self.add_command_to_tearDown('rmdir --ignore-fail-on-non-empty %s' % dstdir)
+                else:
+                    self.track_for_cleanup(dstdir)
         dstfile = os.path.join(dstdir, os.path.basename(srcfile))
         if srcfile != dstfile:
             shutil.copy(srcfile, dstfile)
diff --git a/poky/meta/lib/oeqa/selftest/context.py b/poky/meta/lib/oeqa/selftest/context.py
index 494e9db..23f7d71 100644
--- a/poky/meta/lib/oeqa/selftest/context.py
+++ b/poky/meta/lib/oeqa/selftest/context.py
@@ -22,6 +22,37 @@
 
 from oeqa.utils.commands import runCmd, get_bb_vars, get_test_layer
 
+class NonConcurrentTestSuite(unittest.TestSuite):
+    def __init__(self, suite, processes, setupfunc, removefunc):
+        super().__init__([suite])
+        self.processes = processes
+        self.suite = suite
+        self.setupfunc = setupfunc
+        self.removefunc = removefunc
+
+    def run(self, result):
+        (builddir, newbuilddir) = self.setupfunc("-st", None, self.suite)
+        ret = super().run(result)
+        os.chdir(builddir)
+        if newbuilddir and ret.wasSuccessful():
+            self.removefunc(newbuilddir)
+
+def removebuilddir(d):
+    delay = 5
+    while delay and os.path.exists(d + "/bitbake.lock"):
+        time.sleep(1)
+        delay = delay - 1
+    # Deleting these directories takes a lot of time, use autobuilder
+    # clobberdir if its available
+    clobberdir = os.path.expanduser("~/yocto-autobuilder-helper/janitor/clobberdir")
+    if os.path.exists(clobberdir):
+        try:
+            subprocess.check_call([clobberdir, d])
+            return
+        except subprocess.CalledProcessError:
+            pass
+    bb.utils.prunedir(d, ionice=True)
+
 class OESelftestTestContext(OETestContext):
     def __init__(self, td=None, logger=None, machines=None, config_paths=None, newbuilddir=None):
         super(OESelftestTestContext, self).__init__(td, logger)
@@ -86,10 +117,9 @@
         if processes:
             from oeqa.core.utils.concurrencytest import ConcurrentTestSuite
 
-            return ConcurrentTestSuite(suites, processes, self.setup_builddir)
+            return ConcurrentTestSuite(suites, processes, self.setup_builddir, removebuilddir)
         else:
-            self.setup_builddir("-st", None, suites)
-            return suites
+            return NonConcurrentTestSuite(suites, processes, self.setup_builddir, removebuilddir)
 
     def runTests(self, processes=None, machine=None, skips=[]):
         if machine: