diff --git a/JOURNAL.md b/JOURNAL.md
index e563135..4221efd 100644
--- a/JOURNAL.md
+++ b/JOURNAL.md
@@ -647,3 +647,25 @@ Interesting timing:
 <!--}}}-->
 **Question**: Can we reproduce this hang with 6.9.7?
 
+Disabling clang as it is failing to build:
+
+    hut% nix develop '.#lagarto-ox'
+    error: builder for '/nix/store/x1nfa792pv28px70kvfakm3aalcfbdyw-clang-epi-479518d.drv' failed with exit code 2;
+           last 10 log lines:
+           >       |           ^~~~~~~~~~~~~~~
+           > 2 errors generated.
+           > make[2]: *** [lib/Support/CMakeFiles/LLVMSupport.dir/build.make:1868: lib/Support/CMakeFiles/LLVMSupport.dir/Signals.cpp.o] Error 1
+           > make[2]: *** Waiting for unfinished jobs....
+           > [  9%] Built target obj.clang-tblgen
+           > 1 warning generated.
+           > make[1]: *** [CMakeFiles/Makefile2:9468: lib/Support/CMakeFiles/LLVMSupport.dir/all] Error 2
+           > make[1]: *** Waiting for unfinished jobs....
+           > [  9%] Built target obj.llvm-tblgen
+           > make: *** [Makefile:156: all] Error 2
+           For full logs, run 'nix log /nix/store/x1nfa792pv28px70kvfakm3aalcfbdyw-clang-epi-479518d.drv'.
+    error: 1 dependencies of derivation '/nix/store/m54sxxyi3cg062djrcddcawp10z7r49l-riscv64-unknown-linux-gnu-clang-epi-wrapper-479518d.drv' failed to build
+    error: 1 dependencies of derivation '/nix/store/yl26dbqqj0snl807c0wjabg4dpbq5gvp-stdenv-linux.drv' failed to build
+    error: 1 dependencies of derivation '/nix/store/h6180fcl30kqy3apaqjsbkkik2p1spmr-rvb-riscv64-unknown-linux-gnu-da202d6.drv' failed to build
+    error: 1 dependencies of derivation '/nix/store/b13shgqj7128rdsdzzp4qicqbzl0wnfw-system-path.drv' failed to build
+    error: 1 dependencies of derivation '/nix/store/6qghlihqcyg6155309ldj5xm9m0v835i-nixos-system-nixos-riscv-24.11pre-git.drv' failed to build
+    error: 1 dependencies of derivation '/nix/store/l2x18cih29r1kn6vi8imwhkyk98yhw4i-nix-shell-riscv64-unknown-linux-gnu-env.drv' failed to build
diff --git a/configuration.nix b/configuration.nix
index 7337141..669fe60 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -36,5 +36,5 @@
   };
 
   #environment.systemPackages = with pkgs; [ vim gdb neofetch gcc bintools ];
-  environment.systemPackages = with pkgs; [ rvb unalignedCheck ];
+  #environment.systemPackages = with pkgs; [ rvb unalignedCheck ];
 }