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diff --git a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
deleted file mode 100644
index d78d4a8fb868..000000000000
--- a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
+++ /dev/null
@@ -1,57 +0,0 @@
-Aspeed Watchdog Timer
-
-Required properties:
- - compatible: must be one of:
-	- "aspeed,ast2400-wdt"
-	- "aspeed,ast2500-wdt"
-	- "aspeed,ast2600-wdt"
-
- - reg: physical base address of the controller and length of memory mapped
-   region
-
-Optional properties:
-
- - aspeed,reset-type = "cpu|soc|system|none"
-
-   Reset behavior - Whenever a timeout occurs the watchdog can be programmed
-   to generate one of three different, mutually exclusive, types of resets.
-
-   Type "none" can be specified to indicate that no resets are to be done.
-   This is useful in situations where another watchdog engine on chip is
-   to perform the reset.
-
-   If 'aspeed,reset-type=' is not specfied the default is to enable system
-   reset.
-
-   Reset types:
-
-        - cpu: Reset CPU on watchdog timeout
-
-        - soc: Reset 'System on Chip' on watchdog timeout
-
-        - system: Reset system on watchdog timeout
-
-        - none: No reset is performed on timeout. Assumes another watchdog
-                engine is responsible for this.
-
- - aspeed,alt-boot:    If property is present then boot from alternate block.
- - aspeed,external-signal: If property is present then signal is sent to
-			external reset counter (only WDT1 and WDT2). If not
-			specified no external signal is sent.
- - aspeed,ext-pulse-duration: External signal pulse duration in microseconds
-
-Optional properties for AST2500-compatible watchdogs:
- - aspeed,ext-push-pull: If aspeed,external-signal is present, set the pin's
-			 drive type to push-pull. The default is open-drain.
- - aspeed,ext-active-high: If aspeed,external-signal is present and and the pin
-			   is configured as push-pull, then set the pulse
-			   polarity to active-high. The default is active-low.
-
-Example:
-
-	wdt1: watchdog@1e785000 {
-		compatible = "aspeed,ast2400-wdt";
-		reg = <0x1e785000 0x1c>;
-		aspeed,reset-type = "system";
-		aspeed,external-signal;
-	};