diff --git a/src/bin/shared/downloadKeycloakDefaultTheme.ts b/src/bin/shared/downloadKeycloakDefaultTheme.ts
index 582515b6..6496890d 100644
--- a/src/bin/shared/downloadKeycloakDefaultTheme.ts
+++ b/src/bin/shared/downloadKeycloakDefaultTheme.ts
@@ -3,7 +3,6 @@ import { type BuildContext } from "./buildContext";
 import { assert } from "tsafe/assert";
 import { lastKeycloakVersionWithAccountV1 } from "./constants";
 import { downloadAndExtractArchive } from "../tools/downloadAndExtractArchive";
-import { isInside } from "../tools/isInside";
 
 export type BuildContextLike = {
     cacheDirPath: string;
@@ -18,27 +17,25 @@ export async function downloadKeycloakDefaultTheme(params: {
 }): Promise<{ defaultThemeDirPath: string }> {
     const { keycloakVersion, buildContext } = params;
 
+    let kcNodeModulesKeepFilePaths: string[] | undefined = undefined;
+    let kcNodeModulesKeepFilePaths_lastAccountV1: string[] | undefined = undefined;
+
     const { extractedDirPath } = await downloadAndExtractArchive({
         url: `https://repo1.maven.org/maven2/org/keycloak/keycloak-themes/${keycloakVersion}/keycloak-themes-${keycloakVersion}.jar`,
         cacheDirPath: buildContext.cacheDirPath,
         npmWorkspaceRootDirPath: buildContext.npmWorkspaceRootDirPath,
         uniqueIdOfOnOnArchiveFile: "downloadKeycloakDefaultTheme",
         onArchiveFile: async params => {
-            if (!isInside({ dirPath: "theme", filePath: params.fileRelativePath })) {
+            const fileRelativePath = pathRelative("theme", params.fileRelativePath);
+
+            if (fileRelativePath.startsWith("..")) {
                 return;
             }
 
             const { readFile, writeFile } = params;
 
-            const fileRelativePath = pathRelative("theme", params.fileRelativePath);
-
             skip_keycloak_v2: {
-                if (
-                    !isInside({
-                        dirPath: pathJoin("keycloak.v2"),
-                        filePath: fileRelativePath
-                    })
-                ) {
+                if (!fileRelativePath.startsWith(pathJoin("keycloak.v2"))) {
                     break skip_keycloak_v2;
                 }
 
@@ -50,6 +47,84 @@ export async function downloadKeycloakDefaultTheme(params: {
                     break last_account_v1_transformations;
                 }
 
+                skip_web_modules: {
+                    if (
+                        !fileRelativePath.startsWith(
+                            pathJoin("keycloak", "common", "resources", "web_modules")
+                        )
+                    ) {
+                        break skip_web_modules;
+                    }
+
+                    return;
+                }
+
+                skip_lib: {
+                    if (
+                        !fileRelativePath.startsWith(
+                            pathJoin("keycloak", "common", "resources", "lib")
+                        )
+                    ) {
+                        break skip_lib;
+                    }
+
+                    return;
+                }
+
+                skip_node_modules: {
+                    if (
+                        !fileRelativePath.startsWith(
+                            pathJoin("keycloak", "common", "resources", "node_modules")
+                        )
+                    ) {
+                        break skip_node_modules;
+                    }
+
+                    if (kcNodeModulesKeepFilePaths_lastAccountV1 === undefined) {
+                        kcNodeModulesKeepFilePaths_lastAccountV1 = [
+                            pathJoin("patternfly", "dist", "css", "patternfly.min.css"),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "css",
+                                "patternfly-additions.min.css"
+                            ),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "fonts",
+                                "OpenSans-Regular-webfont.woff2"
+                            ),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "fonts",
+                                "OpenSans-Bold-webfont.woff2"
+                            ),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "fonts",
+                                "OpenSans-Light-webfont.woff2"
+                            ),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "fonts",
+                                "OpenSans-Semibold-webfont.woff2"
+                            )
+                        ];
+                    }
+
+                    for (const keepPath of kcNodeModulesKeepFilePaths_lastAccountV1) {
+                        if (fileRelativePath.endsWith(keepPath)) {
+                            break skip_node_modules;
+                        }
+                    }
+
+                    return;
+                }
+
                 patch_account_css: {
                     if (
                         fileRelativePath !==
@@ -70,69 +145,6 @@ export async function downloadKeycloakDefaultTheme(params: {
 
                     return;
                 }
-
-                skip_web_modules: {
-                    if (
-                        !isInside({
-                            dirPath: pathJoin(
-                                "keycloak",
-                                "common",
-                                "resources",
-                                "web_modules"
-                            ),
-                            filePath: fileRelativePath
-                        })
-                    ) {
-                        break skip_web_modules;
-                    }
-
-                    return;
-                }
-
-                skip_unused_node_modules: {
-                    const nodeModulesDirPath = pathJoin(
-                        "keycloak",
-                        "common",
-                        "resources",
-                        "node_modules"
-                    );
-
-                    if (
-                        !isInside({
-                            dirPath: nodeModulesDirPath,
-                            filePath: fileRelativePath
-                        })
-                    ) {
-                        break skip_unused_node_modules;
-                    }
-
-                    const toKeepPrefixes = [
-                        ...[
-                            "patternfly.min.css",
-                            "patternfly-additions.min.css",
-                            "patternfly-additions.min.css"
-                        ].map(fileBasename =>
-                            pathJoin(
-                                nodeModulesDirPath,
-                                "patternfly",
-                                "dist",
-                                "css",
-                                fileBasename
-                            )
-                        ),
-                        pathJoin(nodeModulesDirPath, "patternfly", "dist", "fonts")
-                    ];
-
-                    if (
-                        toKeepPrefixes.find(prefix =>
-                            fileRelativePath.startsWith(prefix)
-                        ) !== undefined
-                    ) {
-                        break skip_unused_node_modules;
-                    }
-
-                    return;
-                }
             }
 
             skip_unused_resources: {
@@ -140,61 +152,76 @@ export async function downloadKeycloakDefaultTheme(params: {
                     break skip_unused_resources;
                 }
 
-                for (const dirBasename of [
-                    "@patternfly-v5",
-                    "@rollup",
-                    "rollup",
-                    "react",
-                    "react-dom",
-                    "shx",
-                    ".pnpm"
-                ]) {
+                skip_node_modules: {
                     if (
-                        isInside({
-                            dirPath: pathJoin(
-                                "keycloak",
-                                "common",
-                                "resources",
-                                "node_modules",
-                                dirBasename
-                            ),
-                            filePath: fileRelativePath
-                        })
+                        !fileRelativePath.startsWith(
+                            pathJoin("keycloak", "common", "resources", "node_modules")
+                        )
                     ) {
-                        return;
+                        break skip_node_modules;
                     }
+
+                    if (kcNodeModulesKeepFilePaths === undefined) {
+                        kcNodeModulesKeepFilePaths = [
+                            pathJoin("@patternfly", "patternfly", "patternfly.min.css"),
+                            pathJoin("patternfly", "dist", "css", "patternfly.min.css"),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "css",
+                                "patternfly-additions.min.css"
+                            ),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "fonts",
+                                "OpenSans-Regular-webfont.woff2"
+                            ),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "fonts",
+                                "OpenSans-Light-webfont.woff2"
+                            ),
+                            pathJoin(
+                                "patternfly",
+                                "dist",
+                                "fonts",
+                                "fontawesome-webfont.woff2"
+                            ),
+                            pathJoin("jquery", "dist", "jquery.min.js")
+                        ];
+                    }
+
+                    for (const keepPath of kcNodeModulesKeepFilePaths) {
+                        if (fileRelativePath.endsWith(keepPath)) {
+                            break skip_node_modules;
+                        }
+                    }
+
+                    return;
                 }
 
-                for (const dirBasename of ["react", "react-dom"]) {
+                skip_vendor: {
                     if (
-                        isInside({
-                            dirPath: pathJoin(
-                                "keycloak",
-                                "common",
-                                "resources",
-                                "vendor",
-                                dirBasename
-                            ),
-                            filePath: fileRelativePath
-                        })
+                        !fileRelativePath.startsWith(
+                            pathJoin("keycloak", "common", "resources", "vendor")
+                        )
                     ) {
-                        return;
+                        break skip_vendor;
                     }
+
+                    return;
                 }
 
-                if (
-                    isInside({
-                        dirPath: pathJoin(
-                            "keycloak",
-                            "common",
-                            "resources",
-                            "node_modules",
-                            "@patternfly",
-                            "react-core"
-                        ),
-                        filePath: fileRelativePath
-                    })
-                ) {
+                skip_rollup_config: {
+                    if (
+                        fileRelativePath !==
+                        pathJoin("keycloak", "common", "resources", "rollup.config.js")
+                    ) {
+                        break skip_rollup_config;
+                    }
+
                     return;
                 }
             }