diff --git a/flake.nix b/flake.nix
index a82bb383c062..3bd0a48a5cce 100644
--- a/flake.nix
+++ b/flake.nix
@@ -98,15 +98,26 @@
 
       checks = forAllSystems (
         system:
-        {
-          tarball = jobs.${system}.tarball;
-        }
+        { }
+        //
+          lib.optionalAttrs
+            (
+              # Exclude x86_64-freebsd because "Failed to evaluate rustc-wrapper-1.85.0: «broken»: is marked as broken"
+              system != "x86_64-freebsd"
+            )
+            {
+              tarball = jobs.${system}.tarball;
+            }
         //
           lib.optionalAttrs
             (
               self.legacyPackages.${system}.stdenv.hostPlatform.isLinux
               # Exclude power64 due to "libressl is not available on the requested hostPlatform" with hostPlatform being power64
               && !self.legacyPackages.${system}.targetPlatform.isPower64
+              # Exclude armv6l-linux because "cannot bootstrap GHC on this platform ('armv6l-linux' with libc 'defaultLibc')"
+              && system != "armv6l-linux"
+              # Exclude riscv64-linux because "cannot bootstrap GHC on this platform ('riscv64-linux' with libc 'defaultLibc')"
+              && system != "riscv64-linux"
             )
             {
               # Test that ensures that the nixosSystem function can accept a lib argument
@@ -156,8 +167,8 @@
               system != "armv6l-linux"
               # Exclude riscv64-linux because "Package ‘ghc-9.6.6’ in .../pkgs/development/compilers/ghc/common-hadrian.nix:579 is not available on the requested hostPlatform"
               && system != "riscv64-linux"
-              # Exclude FreeBSD because "Package ‘ghc-9.6.6’ in .../pkgs/development/compilers/ghc/common-hadrian.nix:579 is not available on the requested hostPlatform"
-              && !self.legacyPackages.${system}.stdenv.hostPlatform.isFreeBSD
+              # Exclude x86_64-freebsd because "Package ‘ghc-9.6.6’ in .../pkgs/development/compilers/ghc/common-hadrian.nix:579 is not available on the requested hostPlatform"
+              && system != "x86_64-freebsd"
             )
             {
               /**
@@ -167,7 +178,15 @@
             }
       );
 
-      formatter = forAllSystems (system: (import ./ci { inherit system; }).fmt.pkg);
+      formatter = lib.filterAttrs (
+        system: _:
+        # Exclude armv6l-linux because "cannot bootstrap GHC on this platform ('armv6l-linux' with libc 'defaultLibc')"
+        system != "armv6l-linux"
+        # Exclude riscv64-linux because "cannot bootstrap GHC on this platform ('riscv64-linux' with libc 'defaultLibc')"
+        && system != "riscv64-linux"
+        # Exclude x86_64-freebsd because "Package ‘go-1.22.12-freebsd-amd64-bootstrap’ in /nix/store/0yw40qnrar3lvc5hax5n49abl57apjbn-source/pkgs/development/compilers/go/binary.nix:50 is not available on the requested hostPlatform"
+        && system != "x86_64-freebsd"
+      ) (forAllSystems (system: (import ./ci { inherit system; }).fmt.pkg));
 
       /**
         A nested structure of [packages](https://nix.dev/manual/nix/latest/glossary#package-attribute-set) and other values.