diff --git a/src/drivers/intel/baytrail/clk.c b/src/drivers/intel/baytrail/clk.c
index b742ab44c..10e687b92 100644
--- a/src/drivers/intel/baytrail/clk.c
+++ b/src/drivers/intel/baytrail/clk.c
@@ -30,6 +30,7 @@
  */
 
 #include <sof/drivers/clk.h>
+#include <sof/drivers/timer.h>
 #include <sof/clock.h>
 #include <sof/io.h>
 #include <sof/sof.h>
diff --git a/src/drivers/intel/cavs/clk.c b/src/drivers/intel/cavs/clk.c
index 5f147765e..2d08558a0 100644
--- a/src/drivers/intel/cavs/clk.c
+++ b/src/drivers/intel/cavs/clk.c
@@ -32,6 +32,7 @@
  */
 
 #include <sof/drivers/clk.h>
+#include <sof/drivers/timer.h>
 #include <sof/clock.h>
 #include <sof/io.h>
 #include <sof/sof.h>
diff --git a/src/drivers/intel/haswell/clk.c b/src/drivers/intel/haswell/clk.c
index 0fc32ad7b..3fe15baba 100644
--- a/src/drivers/intel/haswell/clk.c
+++ b/src/drivers/intel/haswell/clk.c
@@ -29,6 +29,7 @@
  */
 
 #include <sof/drivers/clk.h>
+#include <sof/drivers/timer.h>
 #include <sof/clock.h>
 #include <sof/io.h>
 #include <sof/sof.h>