diff --git a/FancyCaptcha/ApiFancyCaptchaReload.php b/FancyCaptcha/ApiFancyCaptchaReload.php
index bdeb2c9b..d53d7baa 100644
--- a/FancyCaptcha/ApiFancyCaptchaReload.php
+++ b/FancyCaptcha/ApiFancyCaptchaReload.php
@@ -17,24 +17,10 @@ class ApiFancyCaptchaReload extends ApiBase {
 		return true;
 	}
 
-	/**
-	 * @deprecated since MediaWiki core 1.25
-	 */
-	public function getDescription() {
-		return 'Get a new FancyCaptcha.';
-	}
-
 	public function getAllowedParams() {
 		return [];
 	}
 
-	/**
-	 * @deprecated since MediaWiki core 1.25
-	 */
-	public function getExamples() {
-		return [ 'api.php?action=fancycaptchareload&format=xml' ];
-	}
-
 	/**
 	 * @see ApiBase::getExamplesMessages()
 	 */
diff --git a/ReCaptcha/ReCaptcha.class.php b/ReCaptcha/ReCaptcha.class.php
index 123f6436..84d7711a 100644
--- a/ReCaptcha/ReCaptcha.class.php
+++ b/ReCaptcha/ReCaptcha.class.php
@@ -83,30 +83,12 @@ class ReCaptcha extends SimpleCaptcha {
 
 	public function APIGetAllowedParams( &$module, &$params, $flags ) {
 		if ( $flags && $this->isAPICaptchaModule( $module ) ) {
-			if ( defined( 'ApiBase::PARAM_HELP_MSG' ) ) {
-				$params['recaptcha_challenge_field'] = [
-					ApiBase::PARAM_HELP_MSG => 'recaptcha-apihelp-param-recaptcha_challenge_field',
-				];
-				$params['recaptcha_response_field'] = [
-					ApiBase::PARAM_HELP_MSG => 'recaptcha-apihelp-param-recaptcha_response_field',
-				];
-			} else {
-				// @todo: Remove this branch when support for MediaWiki < 1.25 is dropped
-				$params['recaptcha_challenge_field'] = null;
-				$params['recaptcha_response_field'] = null;
-			}
-		}
-
-		return true;
-	}
-
-	/**
-	 * @deprecated since MediaWiki 1.25
-	 */
-	public function APIGetParamDescription( &$module, &$desc ) {
-		if ( $this->isAPICaptchaModule( $module ) ) {
-			$desc['recaptcha_challenge_field'] = 'Field from the ReCaptcha widget';
-			$desc['recaptcha_response_field'] = 'Field from the ReCaptcha widget';
+			$params['recaptcha_challenge_field'] = [
+				ApiBase::PARAM_HELP_MSG => 'recaptcha-apihelp-param-recaptcha_challenge_field',
+			];
+			$params['recaptcha_response_field'] = [
+				ApiBase::PARAM_HELP_MSG => 'recaptcha-apihelp-param-recaptcha_response_field',
+			];
 		}
 
 		return true;
diff --git a/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php b/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php
index 6c94795b..90fc9a68 100644
--- a/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php
+++ b/ReCaptchaNoCaptcha/ReCaptchaNoCaptcha.class.php
@@ -154,25 +154,9 @@ HTML;
 
 	public function APIGetAllowedParams( &$module, &$params, $flags ) {
 		if ( $flags && $this->isAPICaptchaModule( $module ) ) {
-			if ( defined( 'ApiBase::PARAM_HELP_MSG' ) ) {
-				$params['g-recaptcha-response'] = [
-					ApiBase::PARAM_HELP_MSG => 'renocaptcha-apihelp-param-g-recaptcha-response',
-				];
-			} else {
-				// @todo: Remove this branch when support for MediaWiki < 1.25 is dropped
-				$params['g-recaptcha-response'] = null;
-			}
-		}
-
-		return true;
-	}
-
-	/**
-	 * @deprecated since MediaWiki 1.25
-	 */
-	public function APIGetParamDescription( &$module, &$desc ) {
-		if ( $this->isAPICaptchaModule( $module ) ) {
-			$desc['g-recaptcha-response'] = 'Field from the ReCaptcha widget';
+			$params['g-recaptcha-response'] = [
+				ApiBase::PARAM_HELP_MSG => 'renocaptcha-apihelp-param-g-recaptcha-response',
+			];
 		}
 
 		return true;
diff --git a/SimpleCaptcha/Captcha.php b/SimpleCaptcha/Captcha.php
index 14f217a4..96f7d164 100644
--- a/SimpleCaptcha/Captcha.php
+++ b/SimpleCaptcha/Captcha.php
@@ -1072,33 +1072,12 @@ class SimpleCaptcha {
 	 */
 	public function APIGetAllowedParams( &$module, &$params, $flags ) {
 		if ( $this->isAPICaptchaModule( $module ) ) {
-			if ( defined( 'ApiBase::PARAM_HELP_MSG' ) ) {
-				$params['captchaword'] = [
-					ApiBase::PARAM_HELP_MSG => 'captcha-apihelp-param-captchaword',
-				];
-				$params['captchaid'] = [
-					ApiBase::PARAM_HELP_MSG => 'captcha-apihelp-param-captchaid',
-				];
-			} else {
-				// @todo: Remove this branch when support for MediaWiki < 1.25 is dropped
-				$params['captchaword'] = null;
-				$params['captchaid'] = null;
-			}
-		}
-
-		return true;
-	}
-
-	/**
-	 * @deprecated Since MediaWiki 1.25
-	 * @param $module ApiBase
-	 * @param $desc array
-	 * @return bool
-	 */
-	public function APIGetParamDescription( &$module, &$desc ) {
-		if ( $this->isAPICaptchaModule( $module ) ) {
-			$desc['captchaid'] = 'CAPTCHA ID from previous request';
-			$desc['captchaword'] = 'Answer to the CAPTCHA';
+			$params['captchaword'] = [
+				ApiBase::PARAM_HELP_MSG => 'captcha-apihelp-param-captchaword',
+			];
+			$params['captchaid'] = [
+				ApiBase::PARAM_HELP_MSG => 'captcha-apihelp-param-captchaid',
+			];
 		}
 
 		return true;
diff --git a/extension.json b/extension.json
index 59372cf0..095f9529 100644
--- a/extension.json
+++ b/extension.json
@@ -76,7 +76,6 @@
 		"EditPage::showEditForm:fields": "ConfirmEditHooks::showEditFormFields",
 		"EditFilterMergedContent": "ConfirmEditHooks::confirmEditMerged",
 		"APIGetAllowedParams": "ConfirmEditHooks::APIGetAllowedParams",
-		"APIGetParamDescription": "ConfirmEditHooks::APIGetParamDescription",
 		"TitleReadWhitelist": "ConfirmEditHooks::onTitleReadWhitelist",
 		"AlternateEditPreview": "ConfirmEditHooks::onAlternateEditPreview"
 	},
diff --git a/includes/ConfirmEditHooks.php b/includes/ConfirmEditHooks.php
index 80e25d22..8e445c0a 100644
--- a/includes/ConfirmEditHooks.php
+++ b/includes/ConfirmEditHooks.php
@@ -128,10 +128,6 @@ class ConfirmEditHooks {
 		return self::getInstance()->APIGetAllowedParams( $module, $params, $flags );
 	}
 
-	public static function APIGetParamDescription( &$module, &$desc ) {
-		return self::getInstance()->APIGetParamDescription( $module, $desc );
-	}
-
 	public static function onAuthChangeFormFields(
 		array $requests, array $fieldInfo, array &$formDescriptor, $action
 	) {