diff --git a/system/extensions/generate.php b/system/extensions/generate.php
index 9088dd8..651a5f0 100755
--- a/system/extensions/generate.php
+++ b/system/extensions/generate.php
@@ -2,10 +2,9 @@
 // Generate extension, https://github.com/annaesvensson/yellow-generate
 
 class YellowGenerate {
-    const VERSION = "0.8.50";
+    const VERSION = "0.8.51";
     public $yellow;                       // access to API
     public $files;                        // number of files
-    public $links;                        // number of links
     public $errors;                       // number of errors
     public $locationsArguments;           // locations with location arguments detected
     public $locationsArgumentsPagination; // locations with pagination arguments detected
@@ -46,7 +45,6 @@ class YellowGenerate {
     public function onCommand($command, $text) {
         switch ($command) {
             case "generate": $statusCode = $this->processCommandGenerate($command, $text); break;
-            case "check":    $statusCode = $this->processCommandCheck($command, $text); break;
             case "clean":    $statusCode = $this->processCommandClean($command, $text); break;
             default:         $statusCode = 0;
         }
@@ -55,7 +53,7 @@ class YellowGenerate {
     
     // Handle command help
     public function onCommandHelp() {
-        return array("generate [directory location]", "check [directory location]", "clean [directory location]");
+        return array("generate [directory location]", "clean [directory location]");
     }
 
     // Process command to generate static website
@@ -243,159 +241,6 @@ class YellowGenerate {
             }
         }
     }
-
-    // Process command to check static files for broken links
-    public function processCommandCheck($command, $text) {
-        $statusCode = 0;
-        list($path, $location) = $this->yellow->toolbox->getTextArguments($text);
-        if (is_string_empty($location) || substru($location, 0, 1)=="/") {
-            if ($this->checkStaticSettings()) {
-                $statusCode = $this->checkStaticFiles($path, $location);
-            } else {
-                $statusCode = 500;
-                $this->links = 0;
-                $this->errors = 1;
-                $fileName = $this->yellow->system->get("coreExtensionDirectory").$this->yellow->system->get("coreSystemFile");
-                echo "ERROR checking files: Please configure GenerateStaticUrl in file '$fileName'!\n";
-            }
-            echo "Yellow $command: $this->links link".($this->links!=1 ? "s" : "");
-            echo ", $this->errors error".($this->errors!=1 ? "s" : "")."\n";
-        } else {
-            $statusCode = 400;
-            echo "Yellow $command: Invalid arguments\n";
-        }
-        return $statusCode;
-    }
-    
-    // Check static files for broken links
-    public function checkStaticFiles($path, $locationFilter) {
-        $path = rtrim(is_string_empty($path) ? $this->yellow->system->get("generateStaticDirectory") : $path, "/");
-        $this->links = $this->errors = 0;
-        $regex = "/^[^.]+$|".$this->yellow->system->get("generateStaticDefaultFile")."$/";
-        $fileNames = $this->yellow->toolbox->getDirectoryEntriesRecursive($path, $regex, false, false);
-        list($statusCodeFiles, $links) = $this->analyseLinks($path, $locationFilter, $fileNames);
-        list($statusCodeLinks, $broken, $redirect) = $this->analyseStatus($path, $links);
-        if ($statusCodeLinks!=200) {
-            $this->showLinks($broken, "Broken links");
-            $this->showLinks($redirect, "Redirect links");
-        }
-        return max($statusCodeFiles, $statusCodeLinks);
-    }
-    
-    // Analyse links in static files
-    public function analyseLinks($path, $locationFilter, $fileNames) {
-        $statusCode = 200;
-        $links = array();
-        if (!is_array_empty($fileNames)) {
-            $staticUrl = $this->yellow->system->get("generateStaticUrl");
-            list($scheme, $address, $base) = $this->yellow->lookup->getUrlInformation($staticUrl);
-            foreach ($fileNames as $fileName) {
-                if (is_readable($fileName)) {
-                    $locationSource = $this->getStaticLocation($path, $fileName);
-                    if (!preg_match("#^$base$locationFilter#", "$base$locationSource")) continue;
-                    $fileData = $this->yellow->toolbox->readFile($fileName);
-                    preg_match_all("/<(.*?)href=\"([^\"]+)\"(.*?)>/i", $fileData, $matches);
-                    foreach ($matches[2] as $match) {
-                        $location = rawurldecode($match);
-                        if (preg_match("/^(.*?)#(.*)$/", $location, $tokens)) $location = $tokens[1];
-                        if (preg_match("/^(\w+):\/\/([^\/]+)(.*)$/", $location, $matches)) {
-                            $url = $location.(is_string_empty($matches[3]) ? "/" : "");
-                            if (!isset($links[$url])) {
-                                $links[$url] = $locationSource;
-                            } else {
-                                $links[$url] .= ",".$locationSource;
-                            }
-                            if ($this->yellow->system->get("coreDebugMode")>=2) {
-                                echo "YellowGenerate::analyseLinks detected url:$url<br/>\n";
-                            }
-                        } elseif (substru($location, 0, 1)=="/") {
-                            $url = "$scheme://$address$location";
-                            if (!isset($links[$url])) {
-                                $links[$url] = $locationSource;
-                            } else {
-                                $links[$url] .= ",".$locationSource;
-                            }
-                            if ($this->yellow->system->get("coreDebugMode")>=2) {
-                                echo "YellowGenerate::analyseLinks detected url:$url<br/>\n";
-                            }
-                        }
-                    }
-                    if ($this->yellow->system->get("coreDebugMode")>=1) {
-                        echo "YellowGenerate::analyseLinks location:$locationSource<br/>\n";
-                    }
-                } else {
-                    $statusCode = 500;
-                    ++$this->errors;
-                    echo "ERROR reading files: Can't read file '$fileName'!\n";
-                }
-            }
-            $this->links = count($links);
-        } else {
-            $statusCode = 500;
-            ++$this->errors;
-            echo "ERROR reading files: Can't find files in directory '$path'!\n";
-        }
-        return array($statusCode, $links);
-    }
-    
-    // Analyse link status
-    public function analyseStatus($path, $links) {
-        $statusCode = 200;
-        $remote = $broken = $redirect = $data = array();
-        $staticUrl = $this->yellow->system->get("generateStaticUrl");
-        $staticUrlLength = strlenu(rtrim($staticUrl, "/"));
-        list($scheme, $address, $base) = $this->yellow->lookup->getUrlInformation($staticUrl);
-        $staticLocations = $this->getContentLocations(true);
-        foreach ($links as $url=>$value) {
-            if (preg_match("#^$staticUrl#", $url)) {
-                $location = substru($url, $staticUrlLength);
-                $fileName = $path.substru($url, $staticUrlLength);
-                if (is_readable($fileName)) continue;
-                if (in_array($location, $staticLocations)) continue;
-            }
-            if (preg_match("/^(http|https):/", $url)) $remote[$url] = $value;
-        }
-        $remoteNow = 0;
-        uksort($remote, "strnatcasecmp");
-        foreach ($remote as $url=>$value) {
-            echo "\rChecking static website ".$this->getProgressPercent(++$remoteNow, count($remote), 5, 95)."%... ";
-            if ($this->yellow->system->get("coreDebugMode")>=1) echo "YellowGenerate::analyseStatus url:$url\n";
-            $referer = "$scheme://$address$base".(($pos = strposu($value, ",")) ? substru($value, 0, $pos) : $value);
-            $statusCodeUrl = $this->getLinkStatus($url, $referer);
-            if ($statusCodeUrl!=200) {
-                $statusCode = max($statusCode, $statusCodeUrl);
-                $data[$url] = "$statusCodeUrl,$value";
-            }
-        }
-        foreach ($data as $url=>$value) {
-            $locations = preg_split("/\s*,\s*/", $value);
-            $statusCodeUrl = array_shift($locations);
-            foreach ($locations as $location) {
-                if ($statusCodeUrl==302) continue;
-                if ($statusCodeUrl>=300 && $statusCodeUrl<=399) {
-                    $redirect["$scheme://$address$base$location -> $url - ".$this->getStatusFormatted($statusCodeUrl)] = $statusCodeUrl;
-                } else {
-                    $broken["$scheme://$address$base$location -> $url - ".$this->getStatusFormatted($statusCodeUrl)] = $statusCodeUrl;
-                }
-                ++$this->errors;
-            }
-        }
-        echo "\rChecking static website 100%... done\n";
-        return array($statusCode, $broken, $redirect);
-    }
-
-    // Show links
-    public function showLinks($data, $text) {
-        if (!is_array_empty($data)) {
-            echo "$text\n\n";
-            uksort($data, "strnatcasecmp");
-            $data = array_slice($data, 0, 99);
-            foreach ($data as $key=>$value) {
-                echo "$key\n";
-            }
-            echo "\n";
-        }
-    }
     
     // Process command to clean static files
     public function processCommandClean($command, $text) {
@@ -487,11 +332,6 @@ class YellowGenerate {
         return $ok;
     }
     
-    // Return human readable status
-    public function getStatusFormatted($statusCode) {
-        return $this->yellow->toolbox->getHttpStatusFormatted($statusCode, true);
-    }
-    
     // Return progress in percent
     public function getProgressPercent($now, $total, $increments, $max) {
         $percent = intval(($max/$total) * $now);
@@ -512,16 +352,6 @@ class YellowGenerate {
         return $fileName;
     }
     
-    // Return static location
-    public function getStaticLocation($path, $fileName) {
-        $location = substru($fileName, strlenu($path));
-        if (basename($location)==$this->yellow->system->get("generateStaticDefaultFile")) {
-            $defaultFileLength = strlenu($this->yellow->system->get("generateStaticDefaultFile"));
-            $location = substru($location, 0, -$defaultFileLength);
-        }
-        return $location;
-    }
-    
     // Return static redirect
     public function getStaticRedirect($location) {
         $output = "<!DOCTYPE html><html>\n<head>\n";
@@ -603,23 +433,4 @@ class YellowGenerate {
         }
         return $locations;
     }
-    
-    // Return link status
-    public function getLinkStatus($url, $referer) {
-        $curlHandle = curl_init();
-        curl_setopt($curlHandle, CURLOPT_URL, $url);
-        curl_setopt($curlHandle, CURLOPT_REFERER, $referer);
-        curl_setopt($curlHandle, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; YellowGenerate/".YellowGenerate::VERSION."; LinkChecker)");
-        curl_setopt($curlHandle, CURLOPT_NOBODY, 1);
-        curl_setopt($curlHandle, CURLOPT_CONNECTTIMEOUT, 30);
-        curl_setopt($curlHandle, CURLOPT_SSL_VERIFYPEER, false);
-        curl_exec($curlHandle);
-        $statusCode = curl_getinfo($curlHandle, CURLINFO_HTTP_CODE);
-        curl_close($curlHandle);
-        if ($statusCode<200) $statusCode = 404;
-        if ($this->yellow->system->get("coreDebugMode")>=2) {
-            echo "YellowGenerate::getLinkStatus status:$statusCode url:$url<br/>\n";
-        }
-        return $statusCode;
-    }
 }
diff --git a/system/extensions/install-language.bin b/system/extensions/install-language.bin
index 675d7b5..f45e3d7 100644
Binary files a/system/extensions/install-language.bin and b/system/extensions/install-language.bin differ
diff --git a/system/extensions/update-current.ini b/system/extensions/update-current.ini
index 58554e9..6cf45f7 100755
--- a/system/extensions/update-current.ini
+++ b/system/extensions/update-current.ini
@@ -32,11 +32,11 @@ system/extensions/edit.woff: edit.woff, delete
 content/shared/page-new-default.md: page-new-default.md, create, optional
 
 Extension: Generate
-Version: 0.8.50
+Version: 0.8.51
 Description: Generate a static website.
 DocumentationUrl: https://github.com/annaesvensson/yellow-generate
 DownloadUrl: https://github.com/datenstrom/yellow-extensions/raw/main/downloads/generate.zip
-Published: 2023-05-25 22:36:53
+Published: 2023-05-31 17:15:20
 Developer: Anna Svensson
 Tag: feature
 system/extensions/generate.php: generate.php, create, update