diff --git a/shell/platform/fuchsia/dart_runner/dart_component_controller.cc b/shell/platform/fuchsia/dart_runner/dart_component_controller.cc
index a2dbb35ea4a23..c86ff1208cd85 100644
--- a/shell/platform/fuchsia/dart_runner/dart_component_controller.cc
+++ b/shell/platform/fuchsia/dart_runner/dart_component_controller.cc
@@ -231,7 +231,7 @@ bool DartComponentController::CreateAndBindNamespace() {
       dart_outgoing_dir_ptr_to_check_on_open_.NewRequest());
 
   // Collect our standard set of directories.
-  std::vector<std::string> other_dirs = {"debug", "ctrl", "diagnostics"};
+  std::vector<std::string> other_dirs = {"debug", "ctrl"};
 
   dart_outgoing_dir_ptr_to_check_on_open_.events().OnOpen =
       [this, other_dirs](zx_status_t status, auto unused) {
diff --git a/shell/platform/fuchsia/flutter/component_v2.cc b/shell/platform/fuchsia/flutter/component_v2.cc
index ef616bbf4bf4e..98f1f57abfcb4 100644
--- a/shell/platform/fuchsia/flutter/component_v2.cc
+++ b/shell/platform/fuchsia/flutter/component_v2.cc
@@ -274,7 +274,7 @@ ComponentV2::ComponentV2(
 
   // Collect our standard set of directories along with directories that are
   // included in the cml file to expose.
-  std::vector<std::string> other_dirs = {"debug", "ctrl", "diagnostics"};
+  std::vector<std::string> other_dirs = {"debug", "ctrl"};
   for (auto dir : metadata.expose_dirs) {
     other_dirs.push_back(dir);
   }