diff --git a/en/peripherals/machine.Pin.md b/en/peripherals/machine.Pin.md
index 429c2ee7f6a1039d39866b0a7d4fb84f3c6ea55f..1c9988ad98db779d1bdec6afb0877a952b313785 100644
--- a/en/peripherals/machine.Pin.md
+++ b/en/peripherals/machine.Pin.md
@@ -1505,14 +1505,6 @@ class machine.Pin(GPIOn, direction, pullMode, level)
   <td>GPIO44</td>
   <td>Pin25</td>
 </tr>
-<tr>
-  <td>GPIO45</td>
-  <td>Pin105</td>
-</tr>
-<tr>
-  <td>GPIO46</td>
-  <td>Pin104</td>
-</tr>
 <tr>
   <td>GPIO47</td>
   <td>Pin79</td>
@@ -3483,7 +3475,7 @@ This method sets the pin level.
 
 **Parameter:**
 
-- `value` - Integer type. Pin level. `0` - low level. `1` - high level. 
+- `value` - Integer type. Pin level. `0` - low level. `1` - high level.
 
 **Return Value:**
 
@@ -3508,7 +3500,7 @@ This method sets the pin level.
 Pin.set_dir(value)
 ```
 
-This method sets I/O mode of the pin. 
+This method sets I/O mode of the pin.
 
 **Parameter:**
 
@@ -3526,11 +3518,11 @@ This method sets I/O mode of the pin.
 Pin.get_dir()
 ```
 
-This method gets I/O mode of the pin.   
+This method gets I/O mode of the pin.
 
 **Return Value:**
 
-I/O mode of pins. 
+I/O mode of pins.
 
 `0` - Input mode.
 
diff --git a/zh/peripherals/machine.Pin.md b/zh/peripherals/machine.Pin.md
index 9ba758b98ccda33a2ebc9b80f583af7b4c60c2aa..6f49625d44506ef11189cbe77675b7f57c524591 100644
--- a/zh/peripherals/machine.Pin.md
+++ b/zh/peripherals/machine.Pin.md
@@ -1506,14 +1506,6 @@ class machine.Pin(GPIOn, direction, pullMode, level)
   <td>GPIO44</td>
   <td>引脚号25</td>
 </tr>
-<tr>
-  <td>GPIO45</td>
-  <td>引脚号105</td>
-</tr>
-<tr>
-  <td>GPIO46</td>
-  <td>引脚号104</td>
-</tr>
 <tr>
   <td>GPIO47</td>
   <td>引脚号79</td>