diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index 7b3c575d0b17..77b044d21341 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -134,9 +134,6 @@ public:
                  Line.Tokens[i].TokenLength;
       // A special case for the colon of a constructor initializer as this only
       // needs to be put on a new line if the line needs to be split.
-      // FIXME: We need to check whether we're in a preprocessor directive, even
-      // if all tokens fit - the next line might be a preprocessor directive,
-      // too, in which case we need to account for the possible escaped newline.
       if (Columns > Style.ColumnLimit - (Line.InPPDirective ? 1 : 0) ||
           (Annotations[i].MustBreakBefore &&
            Annotations[i].Type != TokenAnnotation::TT_CtorInitializerColon)) {