diff --git a/nix/home-manager/programs/chromium.nix b/nix/home-manager/programs/chromium.nix
index dabe56b..00870db 100644
--- a/nix/home-manager/programs/chromium.nix
+++ b/nix/home-manager/programs/chromium.nix
@@ -14,7 +14,7 @@
   nixpkgs.config = {
     chromium = {
       # 2019-03-05: missing on 19.03 enablePepperPDF = true;
-      enablePepperFlash = false;
+      # 2021-03-16: missing enablePepperFlash = false;
     };
   };
 
diff --git a/nix/overlays/posh.nix b/nix/overlays/posh.nix
index 6c8905d..fb61e45 100644
--- a/nix/overlays/posh.nix
+++ b/nix/overlays/posh.nix
@@ -15,6 +15,5 @@ let
 
 in {
   inherit (nixpkgs-master) podman conmon slirp4netns;
-  crun = crun_10_6_0;
   posh = self.callPackage ../pkgs/posh.nix {};
 }