diff --git a/.codeclimate.yml b/.codeclimate.yml
index dcf25bd147f..7395ee88e39 100644
--- a/.codeclimate.yml
+++ b/.codeclimate.yml
@@ -18,7 +18,6 @@ ratings:
    - "includes/*"
 exclude_paths:
 - "tests/"
-- "apigen/"
 - "sample-data/"
 - "i18n/"
 - "includes/api/legacy/"
diff --git a/.gitattributes b/.gitattributes
index d728da00bed..1b5a2bb019a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,5 +1,4 @@
 /.* export-ignore
-apigen* export-ignore
 CODE_OF_CONDUCT.md export-ignore
 CHANGELOG.txt export-ignore
 composer.* export-ignore
diff --git a/.gitignore b/.gitignore
index 6d673efc6ba..4af7307f91e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,9 +24,6 @@ none
 # Windows junk
 Thumbs.db
 
-# ApiGen
-/wc-apidocs/
-
 # Behat/CLI Tests
 tests/cli/installer
 tests/cli/composer.phar
diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 988a1febcbe..0fd5723b7c4 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -23,7 +23,6 @@ checks:
     verify_property_names: false
 filter:
   excluded_paths:
-    - apigen/
     - sample-data/
     - i18n/
     - includes/api/legacy/
diff --git a/Gruntfile.js b/Gruntfile.js
index 3e3c56c17a4..4634f1106ea 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -197,7 +197,6 @@ module.exports = function( grunt ) {
 				options: {
 					potFilename: 'woocommerce.pot',
 					exclude: [
-						'apigen/.*',
 						'vendor/.*',
 						'tests/.*',
 						'tmp/.*'
@@ -230,7 +229,6 @@ module.exports = function( grunt ) {
 			files: {
 				src:  [
 					'**/*.php',               // Include all files
-					'!apigen/**',             // Exclude apigen/
 					'!includes/libraries/**', // Exclude libraries/
 					'!node_modules/**',       // Exclude node_modules/
 					'!tests/**',              // Exclude tests/
@@ -305,7 +303,6 @@ module.exports = function( grunt ) {
 			dist: {
 				src:  [
 					'**/*.php', // Include all php files.
-					'!apigen/**',
 					'!includes/api/legacy/**',
 					'!includes/libraries/**',
 					'!node_modules/**',
diff --git a/phpcs.xml b/phpcs.xml
index 18262bba637..78dfe49efad 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -4,7 +4,6 @@
 
 	<!-- Exclude paths -->
 	<exclude-pattern>tests/cli/</exclude-pattern>
-	<exclude-pattern>apigen/</exclude-pattern>
 	<exclude-pattern>includes/libraries/</exclude-pattern>
 	<exclude-pattern>includes/legacy/</exclude-pattern>
 	<exclude-pattern>includes/api/legacy/</exclude-pattern>
diff --git a/tests/bin/phpcs.sh b/tests/bin/phpcs.sh
index 3556b9137c2..205e63d386a 100755
--- a/tests/bin/phpcs.sh
+++ b/tests/bin/phpcs.sh
@@ -2,7 +2,7 @@
 
 if [[ ${RUN_PHPCS} == 1 ]]; then
 	CHANGED_FILES=`git diff --name-only --diff-filter=ACMR $TRAVIS_COMMIT_RANGE | grep \\\\.php | awk '{print}' ORS=' '`
-	IGNORE="tests/cli/,apigen/,includes/libraries/,includes/api/legacy/"
+	IGNORE="tests/cli/,includes/libraries/,includes/api/legacy/"
 
 	if [ "$CHANGED_FILES" != "" ]; then
 		echo "Running Code Sniffer."