diff --git a/draft/overlay/rabbitmax-flex.md b/draft/overlay/rabbitmax-flex.md
index d229c1a..15c0aab 100644
--- a/draft/overlay/rabbitmax-flex.md
+++ b/draft/overlay/rabbitmax-flex.md
@@ -48,10 +48,6 @@ pin:
     name: Button
     mode: input
     active: low
-  '27':
-    mode: i2c
-  '28':
-    mode: i2c
   '29':
     name: Relay
   '31':
diff --git a/src/en/overlay/justboom-amp-hat.md b/src/en/overlay/justboom-amp-hat.md
index 25fe62a..806b6c2 100644
--- a/src/en/overlay/justboom-amp-hat.md
+++ b/src/en/overlay/justboom-amp-hat.md
@@ -39,10 +39,6 @@ pin:
     name: Rotary Encoder
   '24':
     name: Rotary Encoder
-  '27':
-    mode: i2c
-  '28':
-    mode: i2c
   '35':
     name: LRCK (Left/Right Clock)
     mode: i2s
diff --git a/src/en/overlay/justboom-amp-zero.md b/src/en/overlay/justboom-amp-zero.md
index 306592c..1f78e55 100644
--- a/src/en/overlay/justboom-amp-zero.md
+++ b/src/en/overlay/justboom-amp-zero.md
@@ -39,10 +39,6 @@ pin:
     name: Rotary Encoder
   '24':
     name: Rotary Encoder
-  '27':
-    mode: i2c
-  '28':
-    mode: i2c
   '35':
     name: LRCK (Left/Right Clock)
     mode: i2s
diff --git a/src/en/overlay/justboom-dac-hat.md b/src/en/overlay/justboom-dac-hat.md
index 187bd0b..376969e 100644
--- a/src/en/overlay/justboom-dac-hat.md
+++ b/src/en/overlay/justboom-dac-hat.md
@@ -37,10 +37,6 @@ pin:
     name: Rotary Encoder
   '24':
     name: Rotary Encoder
-  '27':
-    mode: i2c
-  '28':
-    mode: i2c
   '35':
     name: LRCK (Left/Right Clock)
     mode: i2s
diff --git a/src/en/overlay/justboom-dac-zero.md b/src/en/overlay/justboom-dac-zero.md
index 6283b60..cc2096c 100644
--- a/src/en/overlay/justboom-dac-zero.md
+++ b/src/en/overlay/justboom-dac-zero.md
@@ -37,10 +37,6 @@ pin:
     name: Rotary Encoder
   '24':
     name: Rotary Encoder
-  '27':
-    mode: i2c
-  '28':
-    mode: i2c
   '35':
     name: LRCK (Left/Right Clock)
     mode: i2s
diff --git a/src/en/overlay/justboom-digi-hat.md b/src/en/overlay/justboom-digi-hat.md
index f4377dd..93509f7 100644
--- a/src/en/overlay/justboom-digi-hat.md
+++ b/src/en/overlay/justboom-digi-hat.md
@@ -37,10 +37,6 @@ pin:
     name: Rotary Encoder
   '24':
     name: Rotary Encoder
-  '27':
-    mode: i2c
-  '28':
-    mode: i2c
   '35':
     name: LRCK (Left/Right Clock)
     mode: i2s