diff --git a/utils/emacs/llvm-mode.el b/utils/emacs/llvm-mode.el
index 55c56daecd0..b1af853883a 100644
--- a/utils/emacs/llvm-mode.el
+++ b/utils/emacs/llvm-mode.el
@@ -122,7 +122,7 @@
 
 ;; Associate .ll files with llvm-mode
 (setq auto-mode-alist
-   (append '(("\\.ll$" . llvm-mode) ("\\.llx$" . llvm-mode)) auto-mode-alist))
+   (append '(("\\.ll$" . llvm-mode)) auto-mode-alist))
 
 (provide 'llvm-mode)
 ;; end of llvm-mode.el
diff --git a/utils/llvmdo b/utils/llvmdo
index 26f2183ae4e..4a7e05af991 100755
--- a/utils/llvmdo
+++ b/utils/llvmdo
@@ -112,7 +112,6 @@ files_to_match="\
   -o -name *.intro \
   -o -name *.l \
   -o -name *.ll \
-  -o -name *.llx \
   -o -name *.lst \
   -o -name *.m4 \
   -o -name *.pod \