diff --git a/phpcompat.xml.dist b/phpcompat.xml.dist
index e5b5f62e6a..79c7530f5f 100644
--- a/phpcompat.xml.dist
+++ b/phpcompat.xml.dist
@@ -40,15 +40,6 @@
 	<!-- For now, only the files in src are scanned. -->
 	<file>./src/</file>
 
-	<!-- Code which doesn't go into production may have different requirements. -->
-	<exclude-pattern>/node_modules/*</exclude-pattern>
-
-	<!--
-		Currently, there are no dependencies managed by Composer.
-		This will need to be modified when that changes to ensure external packages meet compatibility requirements.
-	-->
-	<exclude-pattern>/vendor/*</exclude-pattern>
-
 	<!-- Exclude Must-Use plugins. -->
 	<exclude-pattern>/src/wp-content/mu-plugins/*</exclude-pattern>
 
@@ -92,21 +83,4 @@
 		<exclude-pattern>/sodium_compat/src/Compat\.php$</exclude-pattern>
 	</rule>
 
-	<!--
-		PHPCompatibilityParagonieRandomCompat prevents false positives in `random_compat`.
-		However, because these files are included in a non-standard path, false positives are triggered in WordPress Core.
-	-->
-	<rule ref="PHPCompatibility.IniDirectives.RemovedIniDirectives.mbstring_func_overloadDeprecated">
-		<exclude-pattern>/random_compat/byte_safe_strings\.php$</exclude-pattern>
-	</rule>
-	<rule ref="PHPCompatibility.Constants.RemovedConstants.mcrypt_dev_urandomDeprecatedRemoved">
-		<exclude-pattern>/random_compat/random_bytes_mcrypt\.php$</exclude-pattern>
-	</rule>
-	<rule ref="PHPCompatibility.Extensions.RemovedExtensions.mcryptDeprecatedRemoved">
-		<exclude-pattern>/random_compat/random_bytes_mcrypt\.php$</exclude-pattern>
-	</rule>
-	<rule ref="PHPCompatibility.FunctionUse.RemovedFunctions.mcrypt_create_ivDeprecatedRemoved">
-		<exclude-pattern>/random_compat/random_bytes_mcrypt\.php$</exclude-pattern>
-	</rule>
-
 </ruleset>