diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef08af41..25805d64 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 - Added `Documentation and Examples` section to Readme.md file - see
   [issue #259](https://github.com/PowerShell/xNetworking/issues/259).
+- Prevent unit tests from DSCResource.Tests from running during test
+  execution - fixes [Issue #264](https://github.com/PowerShell/xNetworking/issues/264).
 
 ## 5.1.0.0
 
diff --git a/Tests/TestHarness.psm1 b/Tests/TestHarness.psm1
index d9046d61..8a0b0e96 100644
--- a/Tests/TestHarness.psm1
+++ b/Tests/TestHarness.psm1
@@ -41,7 +41,21 @@ function Invoke-TestHarness
     # DSC Common Tests
     if ($PSBoundParameters.ContainsKey('DscTestsPath') -eq $true)
     {
-        $testsToRun += @( $DscTestsPath )
+        $getChildItemParameters = @{
+            Path = $DscTestsPath
+            Recurse = $true
+            Filter = '*.Tests.ps1'
+        }
+
+        # Get all tests '*.Tests.ps1'.
+        $commonTestFiles = Get-ChildItem @getChildItemParameters
+
+        # Remove DscResource.Tests unit and integration tests.
+        $commonTestFiles = $commonTestFiles | Where-Object -FilterScript {
+            $_.FullName -notmatch 'DSCResource.Tests\\Tests'
+        }
+
+        $testsToRun += @( $commonTestFiles.FullName )
     }
 
     $results = Invoke-Pester -Script $testsToRun `