diff --git a/spec/unit/facter/os_workers_large_spec.rb b/spec/unit/facter/os_workers_large_spec.rb
index 085ddc21..5df5c08e 100644
--- a/spec/unit/facter/os_workers_large_spec.rb
+++ b/spec/unit/facter/os_workers_large_spec.rb
@@ -2,8 +2,7 @@ require 'spec_helper'
 
 describe 'os_workers_large' do
 
-  before { Facter.clear }
-  after { Facter.clear }
+  before { Facter.flush }
 
   context 'with processorcount=1' do
     before do
diff --git a/spec/unit/facter/os_workers_small_spec.rb b/spec/unit/facter/os_workers_small_spec.rb
index dfe46439..e5a1e9e3 100644
--- a/spec/unit/facter/os_workers_small_spec.rb
+++ b/spec/unit/facter/os_workers_small_spec.rb
@@ -2,8 +2,7 @@ require 'spec_helper'
 
 describe 'os_workers_small' do
 
-  before { Facter.clear }
-  after { Facter.clear }
+  before { Facter.flush }
 
   context 'with processorcount=1' do
     before do
diff --git a/spec/unit/facter/os_workers_spec.rb b/spec/unit/facter/os_workers_spec.rb
index 3058b297..78588924 100644
--- a/spec/unit/facter/os_workers_spec.rb
+++ b/spec/unit/facter/os_workers_spec.rb
@@ -2,8 +2,7 @@ require 'spec_helper'
 
 describe 'os_workers' do
 
-  before { Facter.clear }
-  after { Facter.clear }
+  before { Facter.flush }
 
   context 'with processorcount=1' do
     before do