diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 0d4cda7050e0569e6f5cca1a31ffccc9aac7f893..d4e337ebcf0f3fa4e6d4add5dd69f446e05a653a 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -18,7 +18,6 @@
 #include <linux/string.h>
 #include <linux/ctype.h>
 #include <linux/errno.h>
-#include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/idr.h>
diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c
index 8bf12e904fd2e7c51e77729f0cc8cecb5fb12780..7ae9863cb0a4e420d9b17256c3f9670a04c6153e 100644
--- a/drivers/of/resolver.c
+++ b/drivers/of/resolver.c
@@ -18,7 +18,6 @@
 #include <linux/string.h>
 #include <linux/ctype.h>
 #include <linux/errno.h>
-#include <linux/string.h>
 #include <linux/slab.h>
 
 /* illegal phandle value (set when unresolved) */
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 53c83d66eb7e23461294aa22f77f41f6c0739eb5..b4e823615f2c8f1fed463aa23a90e7e4b560fbfc 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -17,7 +17,6 @@
 #include <linux/slab.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
-#include <linux/of_platform.h>
 
 #include <linux/i2c.h>
 #include <linux/i2c-mux.h>