diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index 1c3f3982..00000000
--- a/.npmignore
+++ /dev/null
@@ -1,5 +0,0 @@
-*.tsbuildinfo
-tsconfig-build.json
-**/dist/**/__tests__
-**/dist/**/*.test.d.ts
-utils/**/*.d.ts
diff --git a/build-settings/remove-files-not-to-be-packaged.ts b/build-settings/remove-files-not-to-be-packaged.ts
deleted file mode 100755
index 7c45a801..00000000
--- a/build-settings/remove-files-not-to-be-packaged.ts
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/usr/bin/env -S node -r @swc-node/register
-import * as fs from "fs";
-import * as path from "path";
-import * as fglob from "fast-glob";
-import ignore from "ignore";
-
-const rootDir = path.join(__dirname, "..");
-const gitIgnorePath = path.join(rootDir, ".gitignore");
-const npmIgnorePath = path.join(rootDir, ".npmignore");
-
-// Now we loop each line of npmIgnore and delete the files that match.
-// NOTE: We really want to exclude everything listed in the .npmignore file
-// but that might include source-controlled files. So, we also check
-// the .gitignore file to see if it's matched there as well before we delete
-// anything. Ideally, changeset publish will honour the .npmignore file
-// and not include those files in the package - if that starts happening,
-// we can probably just remove this script.
-const npmIgnoreContent = fs.readFileSync(npmIgnorePath, "utf-8");
-const npmIgnorer = ignore().add(npmIgnoreContent);
-const gitIgnoreContent = fs.readFileSync(gitIgnorePath, "utf-8");
-const gitIgnorer = ignore().add(gitIgnoreContent);
-
-const packagePaths = fglob.sync("packages/wonder-stuff-*/**/*", {
-    cwd: rootDir,
-    onlyFiles: false,
-});
-
-for (const fsPath of packagePaths) {
-    const absPath = path.join(rootDir, fsPath);
-    if (
-        fs.existsSync(fsPath) &&
-        npmIgnorer.ignores(fsPath) &&
-        gitIgnorer.ignores(fsPath)
-    ) {
-        // eslint-disable-next-line no-console
-        console.log(`Removing ${fsPath}`);
-        fs.rmSync(absPath, {recursive: true});
-    }
-}
diff --git a/npm-ignore-definition b/npm-ignore-definition
new file mode 100644
index 00000000..76efdc8a
--- /dev/null
+++ b/npm-ignore-definition
@@ -0,0 +1,4 @@
+*.tsbuildinfo
+tsconfig-build.json
+dist/**/__tests__
+dist/**/*.test.d.ts
diff --git a/package.json b/package.json
index 2e3bb875..07a5963e 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "rollup": "rollup -c build-settings/rollup.config.mjs",
     "build": "yarn rollup",
     "build:prodsizecheck": "yarn rollup --configPlatforms='browser' --configFormats='esm' --configEnvironment='production'",
-    "build:types": "yarn tsc --build --verbose tsconfig-build.json && ./build-settings/remove-files-not-to-be-packaged.ts && ./build-settings/check-type-definitions.ts",
+    "build:types": "yarn tsc --build --verbose tsconfig-build.json && ./build-settings/check-type-definitions.ts",
     "build:docs": "typedoc",
     "watch": "yarn rollup --watch",
     "clean": "rm -rf packages/wonder-stuff-*/dist && rm -rf packages/wonder-stuff-*/node_modules && rm -f packages/*/*.tsbuildinfo",
diff --git a/packages/eslint-config-khan/.npmignore b/packages/eslint-config-khan/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/eslint-config-khan/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/eslint-plugin-khan/.npmignore b/packages/eslint-plugin-khan/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/eslint-plugin-khan/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/wonder-stuff-ci/.npmignore b/packages/wonder-stuff-ci/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/wonder-stuff-ci/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/wonder-stuff-core/.npmignore b/packages/wonder-stuff-core/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/wonder-stuff-core/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/wonder-stuff-i18n/.npmignore b/packages/wonder-stuff-i18n/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/wonder-stuff-i18n/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/wonder-stuff-render-environment-jsdom/.npmignore b/packages/wonder-stuff-render-environment-jsdom/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/wonder-stuff-render-environment-jsdom/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/wonder-stuff-render-server/.npmignore b/packages/wonder-stuff-render-server/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/wonder-stuff-render-server/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/wonder-stuff-sentry/.npmignore b/packages/wonder-stuff-sentry/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/wonder-stuff-sentry/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/wonder-stuff-server/.npmignore b/packages/wonder-stuff-server/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/wonder-stuff-server/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/packages/wonder-stuff-testing/.npmignore b/packages/wonder-stuff-testing/.npmignore
new file mode 120000
index 00000000..2720def8
--- /dev/null
+++ b/packages/wonder-stuff-testing/.npmignore
@@ -0,0 +1 @@
+/Users/jeffyates/khan/wonder-stuff/npm-ignore-definition
\ No newline at end of file
diff --git a/utils/create-npmignore-symlinks.sh b/utils/create-npmignore-symlinks.sh
new file mode 100755
index 00000000..b41d9150
--- /dev/null
+++ b/utils/create-npmignore-symlinks.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# Path to the npm-ignore-definition file
+IGNORE_FILE="npm-ignore-definition"
+
+# Loop through each directory under the packages directory
+for dir in packages/*; do
+  if [ -d "$dir" ]; then
+    if [ ! -L "$dir/.npmignore" ]; then
+      ln -s "$(pwd)/$IGNORE_FILE" "$dir/.npmignore"
+      echo "Created symlink in $dir"
+    else
+      echo "Symlink already exists in $dir"
+    fi
+  fi
+done
\ No newline at end of file