diff --git a/trace2/tr2_tgt_normal.c b/trace2/tr2_tgt_normal.c
index 38d5ebddf6..baef48aa69 100644
--- a/trace2/tr2_tgt_normal.c
+++ b/trace2/tr2_tgt_normal.c
@@ -2,6 +2,7 @@
 #include "config.h"
 #include "repository.h"
 #include "run-command.h"
+#include "strbuf.h"
 #include "quote.h"
 #include "version.h"
 #include "trace2/tr2_dst.h"
diff --git a/trace2/tr2_tls.c b/trace2/tr2_tls.c
index 601c9e5036..4f75392952 100644
--- a/trace2/tr2_tls.c
+++ b/trace2/tr2_tls.c
@@ -1,4 +1,5 @@
 #include "git-compat-util.h"
+#include "strbuf.h"
 #include "thread-utils.h"
 #include "trace.h"
 #include "trace2/tr2_tls.h"
diff --git a/trace2/tr2_tls.h b/trace2/tr2_tls.h
index f9049805d4..3dfe6557fc 100644
--- a/trace2/tr2_tls.h
+++ b/trace2/tr2_tls.h
@@ -1,7 +1,6 @@
 #ifndef TR2_TLS_H
 #define TR2_TLS_H
 
-#include "strbuf.h"
 #include "trace2/tr2_ctr.h"
 #include "trace2/tr2_tmr.h"