1 files changed, 0 insertions, 1 deletions
diff --git a/iwyu_preprocessor.h b/iwyu_preprocessor.h
index 3f0bbf4..c46dbc9 100644
--- a/iwyu_preprocessor.h
+++ b/iwyu_preprocessor.h
@@ -82,7 +82,6 @@ class MacroInfo;
 namespace include_what_you_use {
 
 using std::map;
-using std::pair;
 using std::set;
 using std::stack;
 using std::string;