diff --git a/src/utils/tmpfile_other.cc b/src/utils/tmpfile_other.cc
index 8ee60e6e00..eeb57271a8 100644
--- a/src/utils/tmpfile_other.cc
+++ b/src/utils/tmpfile_other.cc
@@ -17,7 +17,7 @@
 namespace tint {
 namespace utils {
 
-TmpFile::TmpFile(std::string) = default;
+TmpFile::TmpFile(std::string) {}
 
 TmpFile::~TmpFile() = default;