diff --git a/dist/setup/index.js b/dist/setup/index.js
index fd3487c3..62ebf062 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -114733,7 +114733,7 @@ class ZuluDistribution extends base_installer_1.JavaBase {
             const satisfiedVersions = availableVersions
                 .filter(item => (0, util_1.isVersionSatisfies)(version, item.version))
                 .sort((a, b) => {
-                // Azul provides two versions: java_version and distro_version
+                // Azul provides two versions: jdk_version and azul_version
                 // we should sort by both fields by descending
                 return (-semver_1.default.compareBuild(a.version, b.version) ||
                     -semver_1.default.compareBuild(a.zuluVersion, b.zuluVersion));
@@ -114786,20 +114786,24 @@ class ZuluDistribution extends base_installer_1.JavaBase {
             if (core.isDebug()) {
                 console.time('Retrieving available versions for Zulu took'); // eslint-disable-line no-console
             }
-            // Map old API parameters to new metadata API parameters
-            const osParam = this.getOsParam(platform);
-            const archiveType = this.getArchiveType(extension);
-            const archParam = this.getArchParam(arch, hw_bitness);
             // Fetch all pages to avoid missing packages when there are > 100 results
             let allVersions = [];
             let page = 1;
             const pageSize = 100;
             let hasMore = true;
             while (hasMore) {
+                // Map architecture for new metadata API (x86+64bit -> x64, arm+64bit -> aarch64, etc.)
+                let archParam = arch;
+                if (arch === 'x86' && hw_bitness === '64') {
+                    archParam = 'x64';
+                }
+                else if (arch === 'arm' && hw_bitness === '64') {
+                    archParam = 'aarch64';
+                }
                 const requestArguments = [
-                    `os=${osParam}`,
+                    `os=${platform === 'linux' ? 'linux-glibc' : platform}`,
                     `arch=${archParam}`,
-                    `archive_type=${archiveType}`,
+                    `archive_type=${extension}`,
                     `java_package_type=${bundleType}`,
                     `javafx_bundled=${javafx}`,
                     `crac_supported=${crac}`,
@@ -114857,49 +114861,6 @@ class ZuluDistribution extends base_installer_1.JavaBase {
                 return process.platform;
         }
     }
-    getOsParam(platform) {
-        // Map platform to new metadata API OS parameter
-        // The new API uses more specific OS names like 'linux-glibc', 'macos', 'windows'
-        switch (platform) {
-            case 'linux':
-                return 'linux-glibc';
-            case 'macos':
-                return 'macos';
-            case 'windows':
-                return 'windows';
-            default:
-                return platform;
-        }
-    }
-    getArchParam(arch, hw_bitness) {
-        // Map architecture to new metadata API arch parameter
-        // The new API uses x64, x86, aarch64, arm
-        if (arch === 'x86' && hw_bitness === '64') {
-            return 'x64';
-        }
-        else if (arch === 'x86' && hw_bitness === '32') {
-            return 'x86';
-        }
-        else if (arch === 'arm' && hw_bitness === '64') {
-            return 'aarch64';
-        }
-        else if (arch === 'arm' && hw_bitness === '') {
-            return 'arm';
-        }
-        // Fallback for other architectures
-        return arch;
-    }
-    getArchiveType(extension) {
-        // Map extension to archive_type parameter for new API
-        switch (extension) {
-            case 'tar.gz':
-                return 'tar.gz';
-            case 'zip':
-                return 'zip';
-            default:
-                return extension;
-        }
-    }
 }
 exports.ZuluDistribution = ZuluDistribution;
 
diff --git a/src/distributions/zulu/installer.ts b/src/distributions/zulu/installer.ts
index a5c693c7..b0f2f3cd 100644
--- a/src/distributions/zulu/installer.ts
+++ b/src/distributions/zulu/installer.ts
@@ -40,7 +40,7 @@ export class ZuluDistribution extends JavaBase {
     const satisfiedVersions = availableVersions
       .filter(item => isVersionSatisfies(version, item.version))
       .sort((a, b) => {
-        // Azul provides two versions: java_version and distro_version
+        // Azul provides two versions: jdk_version and azul_version
         // we should sort by both fields by descending
         return (
           -semver.compareBuild(a.version, b.version) ||
@@ -112,11 +112,6 @@ export class ZuluDistribution extends JavaBase {
       console.time('Retrieving available versions for Zulu took'); // eslint-disable-line no-console
     }
 
-    // Map old API parameters to new metadata API parameters
-    const osParam = this.getOsParam(platform);
-    const archiveType = this.getArchiveType(extension);
-    const archParam = this.getArchParam(arch, hw_bitness);
-
     // Fetch all pages to avoid missing packages when there are > 100 results
     let allVersions: IZuluVersions[] = [];
     let page = 1;
@@ -124,10 +119,18 @@ export class ZuluDistribution extends JavaBase {
     let hasMore = true;
 
     while (hasMore) {
+      // Map architecture for new metadata API (x86+64bit -> x64, arm+64bit -> aarch64, etc.)
+      let archParam = arch;
+      if (arch === 'x86' && hw_bitness === '64') {
+        archParam = 'x64';
+      } else if (arch === 'arm' && hw_bitness === '64') {
+        archParam = 'aarch64';
+      }
+
       const requestArguments = [
-        `os=${osParam}`,
+        `os=${platform === 'linux' ? 'linux-glibc' : platform}`,
         `arch=${archParam}`,
-        `archive_type=${archiveType}`,
+        `archive_type=${extension}`,
         `java_package_type=${bundleType}`,
         `javafx_bundled=${javafx}`,
         `crac_supported=${crac}`,
@@ -200,47 +203,4 @@ export class ZuluDistribution extends JavaBase {
         return process.platform;
     }
   }
-
-  private getOsParam(platform: string): string {
-    // Map platform to new metadata API OS parameter
-    // The new API uses more specific OS names like 'linux-glibc', 'macos', 'windows'
-    switch (platform) {
-      case 'linux':
-        return 'linux-glibc';
-      case 'macos':
-        return 'macos';
-      case 'windows':
-        return 'windows';
-      default:
-        return platform;
-    }
-  }
-
-  private getArchParam(arch: string, hw_bitness: string): string {
-    // Map architecture to new metadata API arch parameter
-    // The new API uses x64, x86, aarch64, arm
-    if (arch === 'x86' && hw_bitness === '64') {
-      return 'x64';
-    } else if (arch === 'x86' && hw_bitness === '32') {
-      return 'x86';
-    } else if (arch === 'arm' && hw_bitness === '64') {
-      return 'aarch64';
-    } else if (arch === 'arm' && hw_bitness === '') {
-      return 'arm';
-    }
-    // Fallback for other architectures
-    return arch;
-  }
-
-  private getArchiveType(extension: string): string {
-    // Map extension to archive_type parameter for new API
-    switch (extension) {
-      case 'tar.gz':
-        return 'tar.gz';
-      case 'zip':
-        return 'zip';
-      default:
-        return extension;
-    }
-  }
 }