diff --git a/platformio/builder/tools/pioide.py b/platformio/builder/tools/pioide.py
index 5a6c2851..adb5844b 100644
--- a/platformio/builder/tools/pioide.py
+++ b/platformio/builder/tools/pioide.py
@@ -45,7 +45,7 @@ def _dump_includes(env):
     # includes from toolchains
     p = env.PioPlatform()
     includes["toolchain"] = []
-    for pkg in p.get_installed_packages():
+    for pkg in p.get_installed_packages(with_optional=False):
         if p.get_package_type(pkg.metadata.name) != "toolchain":
             continue
         toolchain_dir = glob.escape(pkg.path)