diff --git a/arch/arc/boot/dts/abilis_tb100.dtsi b/arch/arc/boot/dts/abilis_tb100.dtsi
index 3942634f805ade1545d30dd066d2ba88cdec3cac..02410b2114334466572c05e651b6227b02e415f0 100644
--- a/arch/arc/boot/dts/abilis_tb100.dtsi
+++ b/arch/arc/boot/dts/abilis_tb100.dtsi
@@ -23,8 +23,6 @@
 
 
 / {
-	clock-frequency		= <500000000>;	/* 500 MHZ */
-
 	soc100 {
 		bus-frequency	= <166666666>;
 
diff --git a/arch/arc/boot/dts/abilis_tb101.dtsi b/arch/arc/boot/dts/abilis_tb101.dtsi
index b0467229a5c45e9c10eb1cc2884b84b33ef2e603..f9e7686044ebee0a4c49e1d4824810e49747256e 100644
--- a/arch/arc/boot/dts/abilis_tb101.dtsi
+++ b/arch/arc/boot/dts/abilis_tb101.dtsi
@@ -23,8 +23,6 @@
 
 
 / {
-	clock-frequency		= <500000000>;	/* 500 MHZ */
-
 	soc100 {
 		bus-frequency	= <166666666>;
 
diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi
index 3e02f152edcb5eac50870720be8ffe626cb1b1b6..6ae2c476ad825aee57fadb1e557b95a0bb082647 100644
--- a/arch/arc/boot/dts/axc001.dtsi
+++ b/arch/arc/boot/dts/axc001.dtsi
@@ -15,7 +15,6 @@
 
 / {
 	compatible = "snps,arc";
-	clock-frequency = <750000000>;	/* 750 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi
index 378e455a94c4a86aa2af9a44a4d83c2cbbf771c2..14df46f141bf3450b8df0660bc0f248beef4669b 100644
--- a/arch/arc/boot/dts/axc003.dtsi
+++ b/arch/arc/boot/dts/axc003.dtsi
@@ -14,7 +14,6 @@
 
 / {
 	compatible = "snps,arc";
-	clock-frequency = <90000000>;
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi
index 64c94b2860ab569d03d4672db417ad1e3307f86a..3d6cfa32bf5142a50ff95b6f7e69871526172deb 100644
--- a/arch/arc/boot/dts/axc003_idu.dtsi
+++ b/arch/arc/boot/dts/axc003_idu.dtsi
@@ -14,7 +14,6 @@
 
 / {
 	compatible = "snps,arc";
-	clock-frequency = <90000000>;
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/arc/boot/dts/eznps.dts b/arch/arc/boot/dts/eznps.dts
index b89f6c3eb35208e2686cf73017a08686a6cfad5e..1e0d225791c1250252e76697187a7d0ba8eb26ec 100644
--- a/arch/arc/boot/dts/eznps.dts
+++ b/arch/arc/boot/dts/eznps.dts
@@ -18,7 +18,6 @@
 
 / {
 	compatible = "ezchip,arc-nps";
-	clock-frequency = <83333333>;	/* 83.333333 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 	interrupt-parent = <&intc>;
diff --git a/arch/arc/boot/dts/nsim_700.dts b/arch/arc/boot/dts/nsim_700.dts
index 5d5e373e0ebc579c7f734d42212965c8187fa003..63970513e4aee2ceaadc2265eae1393115a0d2b6 100644
--- a/arch/arc/boot/dts/nsim_700.dts
+++ b/arch/arc/boot/dts/nsim_700.dts
@@ -11,7 +11,6 @@
 
 / {
 	compatible = "snps,nsim";
-	clock-frequency = <80000000>;	/* 80 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 	interrupt-parent = <&core_intc>;
diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
index b5b060adce8a60dbde7778f0765720bd4617e724..763d66c883da7fea61354186781a25f63d7b89fc 100644
--- a/arch/arc/boot/dts/nsimosci.dts
+++ b/arch/arc/boot/dts/nsimosci.dts
@@ -11,7 +11,6 @@
 
 / {
 	compatible = "snps,nsimosci";
-	clock-frequency = <20000000>;	/* 20 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 	interrupt-parent = <&core_intc>;
diff --git a/arch/arc/boot/dts/nsimosci_hs.dts b/arch/arc/boot/dts/nsimosci_hs.dts
index 325e73090a18157ca286a2916c8950d760abaf8e..4eb97c584b18b666476dd4002444e044d2e8f1cd 100644
--- a/arch/arc/boot/dts/nsimosci_hs.dts
+++ b/arch/arc/boot/dts/nsimosci_hs.dts
@@ -11,7 +11,6 @@
 
 / {
 	compatible = "snps,nsimosci_hs";
-	clock-frequency = <20000000>;	/* 20 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 	interrupt-parent = <&core_intc>;
diff --git a/arch/arc/boot/dts/nsimosci_hs_idu.dts b/arch/arc/boot/dts/nsimosci_hs_idu.dts
index ee03d71265816db05c43841d8a0e0981c6ca62c4..853f897eb2a328c9dc7fcc70c969b387dbf14918 100644
--- a/arch/arc/boot/dts/nsimosci_hs_idu.dts
+++ b/arch/arc/boot/dts/nsimosci_hs_idu.dts
@@ -11,7 +11,6 @@
 
 / {
 	compatible = "snps,nsimosci_hs";
-	clock-frequency = <5000000>;	/* 5 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 	interrupt-parent = <&core_intc>;
diff --git a/arch/arc/boot/dts/skeleton.dtsi b/arch/arc/boot/dts/skeleton.dtsi
index 3a10cc633e2b0e200b8eacfd16ff99e56a718652..65808fe0a290be15ded0903ad347540d0f35a52e 100644
--- a/arch/arc/boot/dts/skeleton.dtsi
+++ b/arch/arc/boot/dts/skeleton.dtsi
@@ -13,7 +13,6 @@
 
 / {
 	compatible = "snps,arc";
-	clock-frequency = <80000000>;	/* 80 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 	chosen { };
diff --git a/arch/arc/boot/dts/skeleton_hs.dtsi b/arch/arc/boot/dts/skeleton_hs.dtsi
index 71fd308a9298aac6435d67e6863314d26e140396..2dfe8037dfbb34ac680597619ecef27319bed1a2 100644
--- a/arch/arc/boot/dts/skeleton_hs.dtsi
+++ b/arch/arc/boot/dts/skeleton_hs.dtsi
@@ -8,7 +8,6 @@
 
 / {
 	compatible = "snps,arc";
-	clock-frequency = <80000000>;	/* 80 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 	chosen { };
diff --git a/arch/arc/boot/dts/skeleton_hs_idu.dtsi b/arch/arc/boot/dts/skeleton_hs_idu.dtsi
index d1cb25a6698952b461925d5a361223c8bc3c5080..4c11079f3565a3decc7f6401a92950df16565411 100644
--- a/arch/arc/boot/dts/skeleton_hs_idu.dtsi
+++ b/arch/arc/boot/dts/skeleton_hs_idu.dtsi
@@ -8,7 +8,6 @@
 
 / {
 	compatible = "snps,arc";
-	clock-frequency = <80000000>;	/* 80 MHZ */
 	#address-cells = <1>;
 	#size-cells = <1>;
 	chosen { };
diff --git a/arch/arc/boot/dts/vdk_axc003.dtsi b/arch/arc/boot/dts/vdk_axc003.dtsi
index ad4ee43bd2ac7700ee93d1c05ee7c84e474c4829..0fd6ba985b164b7752c26544e5d4b6d9684c88be 100644
--- a/arch/arc/boot/dts/vdk_axc003.dtsi
+++ b/arch/arc/boot/dts/vdk_axc003.dtsi
@@ -14,7 +14,6 @@
 
 / {
 	compatible = "snps,arc";
-	clock-frequency = <50000000>;
 	#address-cells = <1>;
 	#size-cells = <1>;
 
diff --git a/arch/arc/boot/dts/vdk_axc003_idu.dtsi b/arch/arc/boot/dts/vdk_axc003_idu.dtsi
index a3cb6263c581ea8a030bad036ec1ddebfc2b25f9..82214cd7ba0ca7406483ad80ad0cac88425b7a68 100644
--- a/arch/arc/boot/dts/vdk_axc003_idu.dtsi
+++ b/arch/arc/boot/dts/vdk_axc003_idu.dtsi
@@ -15,7 +15,6 @@
 
 / {
 	compatible = "snps,arc";
-	clock-frequency = <50000000>;
 	#address-cells = <1>;
 	#size-cells = <1>;