diff --git a/source/containers.tex b/source/containers.tex
index bb8e70dc31..5d8000e785 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -8969,7 +8969,7 @@
 Equivalent to:
 \begin{codeblock}
 auto original_size = c.size();
-for (auto i = c.begin(), last = c.end(); i != last; ) {
+for (auto i = c.begin(); i != c.end(); ) {
   if (pred(*i)) {
     i = c.erase(i);
   } else {