diff --git a/api/units/data_rate.h b/api/units/data_rate.h
index 98572123c5..d813c61156 100644
--- a/api/units/data_rate.h
+++ b/api/units/data_rate.h
@@ -23,7 +23,7 @@
 #include "api/units/frequency.h"
 #include "api/units/time_delta.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/units/unit_base.h"
+#include "rtc_base/units/unit_base.h"  // IWYU pragma: export
 
 namespace webrtc {
 // DataRate is a class that represents a given data rate. This can be used to
diff --git a/api/units/data_size.h b/api/units/data_size.h
index 6817e24c26..9df6434fb9 100644
--- a/api/units/data_size.h
+++ b/api/units/data_size.h
@@ -18,7 +18,7 @@
 #include <string>
 #include <type_traits>
 
-#include "rtc_base/units/unit_base.h"
+#include "rtc_base/units/unit_base.h"  // IWYU pragma: export
 
 namespace webrtc {
 // DataSize is a class represeting a count of bytes.
diff --git a/api/units/frequency.h b/api/units/frequency.h
index 8e9cc2b5f4..06081e4c0d 100644
--- a/api/units/frequency.h
+++ b/api/units/frequency.h
@@ -20,7 +20,7 @@
 #include <type_traits>
 
 #include "api/units/time_delta.h"
-#include "rtc_base/units/unit_base.h"
+#include "rtc_base/units/unit_base.h"  // IWYU pragma: export
 
 namespace webrtc {
 
diff --git a/api/units/time_delta.h b/api/units/time_delta.h
index d5951005e3..5981e32dce 100644
--- a/api/units/time_delta.h
+++ b/api/units/time_delta.h
@@ -19,7 +19,7 @@
 #include <string>
 #include <type_traits>
 
-#include "rtc_base/units/unit_base.h"
+#include "rtc_base/units/unit_base.h"  // IWYU pragma: export
 
 namespace webrtc {
 
diff --git a/api/units/timestamp.h b/api/units/timestamp.h
index 1e9f9d1dc5..8aabe05cad 100644
--- a/api/units/timestamp.h
+++ b/api/units/timestamp.h
@@ -20,6 +20,7 @@
 
 #include "api/units/time_delta.h"
 #include "rtc_base/checks.h"
+#include "rtc_base/units/unit_base.h"  // IWYU pragma: export
 
 namespace webrtc {
 // Timestamp represents the time that has passed since some unspecified epoch.
diff --git a/rtc_base/containers/flat_map.h b/rtc_base/containers/flat_map.h
index 1dfae51655..d1f757f669 100644
--- a/rtc_base/containers/flat_map.h
+++ b/rtc_base/containers/flat_map.h
@@ -19,7 +19,7 @@
 #include <vector>
 
 #include "rtc_base/checks.h"
-#include "rtc_base/containers/flat_tree.h"
+#include "rtc_base/containers/flat_tree.h"  // IWYU pragma: export
 
 namespace webrtc {
 
diff --git a/rtc_base/containers/flat_set.h b/rtc_base/containers/flat_set.h
index e088cc5314..355690b09d 100644
--- a/rtc_base/containers/flat_set.h
+++ b/rtc_base/containers/flat_set.h
@@ -16,7 +16,7 @@
 #include <functional>
 #include <vector>
 
-#include "rtc_base/containers/flat_tree.h"
+#include "rtc_base/containers/flat_tree.h"  // IWYU pragma: export
 #include "rtc_base/containers/identity.h"
 
 namespace webrtc {