diff --git a/flang/runtime/io-api.cpp b/flang/runtime/io-api.cpp
--- a/flang/runtime/io-api.cpp
+++ b/flang/runtime/io-api.cpp
@@ -846,7 +846,6 @@
 bool IONAME(OutputComplex32)(Cookie cookie, float r, float z) {
   IoStatementState &io{*cookie};
   if (io.get_if<ListDirectedStatementState<Direction::Output>>()) {
-    std::cout << "32 bit\n";
     DataEdit real, imaginary;
     real.descriptor = DataEdit::ListDirectedRealPart;
     imaginary.descriptor = DataEdit::ListDirectedImaginaryPart;