diff --git a/src/compiler-debugging.md b/src/compiler-debugging.md
index a9856349..13cb3cf7 100644
--- a/src/compiler-debugging.md
+++ b/src/compiler-debugging.md
@@ -60,9 +60,7 @@ stack backtrace:
   37: rustc_driver::run_compiler
 ```
 
-If you set `debug = true`, you will get line numbers for the stack trace. 
-`debuginfo-level = 1` will also add line numbers, but `debug = true` gives 
-full debug info. Then the backtrace will look like this:
+If you set `debug = true`, you will get line numbers for the stack trace. Then the backtrace will look like this:
 
 ```text
 stack backtrace: