diff --git a/docs/reference-guides/core-blocks.md b/docs/reference-guides/core-blocks.md
index aaa0a9e56eff3e..290c49241ddd6b 100644
--- a/docs/reference-guides/core-blocks.md
+++ b/docs/reference-guides/core-blocks.md
@@ -36,7 +36,7 @@ Displays a section of content in an accordion, including a heading and expandabl
 -	**Category:** design
 -	**Parent:** core/accordion
 -	**Allowed Blocks:** core/accordion-heading, core/accordion-panel
--	**Supports:** color (background, gradients, text), contentRole, interactivity, shadow, spacing (blockGap, margin), typography (fontSize, lineHeight)
+-	**Supports:** color (background, gradients, text), contentRole, interactivity, shadow, spacing (blockGap, margin), typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** openByDefault
 
 ## Accordion Panel
@@ -46,7 +46,7 @@ Displays an accordion panel. ([Source](https://github.com/WordPress/gutenberg/tr
 -	**Name:** core/accordion-panel
 -	**Category:** design
 -	**Parent:** core/accordion-item
--	**Supports:** color (background, gradients, text), contentRole, interactivity, shadow, spacing (blockGap, padding), typography (fontSize, lineHeight), ~~blockVisibility~~
+-	**Supports:** color (background, gradients, text), contentRole, interactivity, shadow, spacing (blockGap, padding), typography (fontSize, lineHeight), ~~blockVisibility~~, ~~html~~
 -	**Attributes:** allowedBlocks, isSelected, openByDefault, templateLock
 
 ## Archives
diff --git a/packages/block-library/src/accordion-item/block.json b/packages/block-library/src/accordion-item/block.json
index 6757509e6ab15f..bd727bb5ae7f85 100644
--- a/packages/block-library/src/accordion-item/block.json
+++ b/packages/block-library/src/accordion-item/block.json
@@ -8,6 +8,7 @@
 	"parent": [ "core/accordion" ],
 	"allowedBlocks": [ "core/accordion-heading", "core/accordion-panel" ],
 	"supports": {
+		"html": false,
 		"color": {
 			"background": true,
 			"gradients": true
diff --git a/packages/block-library/src/accordion-panel/block.json b/packages/block-library/src/accordion-panel/block.json
index 37c32d0b1e1f68..fbbb532b7ce306 100644
--- a/packages/block-library/src/accordion-panel/block.json
+++ b/packages/block-library/src/accordion-panel/block.json
@@ -7,6 +7,7 @@
 	"description": "Displays an accordion panel.",
 	"parent": [ "core/accordion-item" ],
 	"supports": {
+		"html": false,
 		"color": {
 			"background": true,
 			"gradients": true