diff --git a/packages/block-editor/src/components/block-list/style.scss b/packages/block-editor/src/components/block-list/style.scss
index ae60ac1fe512d..22a53cd34de81 100644
--- a/packages/block-editor/src/components/block-list/style.scss
+++ b/packages/block-editor/src/components/block-list/style.scss
@@ -199,70 +199,6 @@
 			opacity: 1;
 		}
 	}
-
-	// Add extra border to parent blocks when their children are selected.
-	&.has-child-selected {
-
-		> .block-editor-block-list__block-edit::before {
-			border: $border-width dashed $dark-opacity-light-600;
-
-			.is-dark-theme & {
-				border-color: $light-opacity-light-500;
-			}
-		}
-
-		> .block-editor-block-list__block-edit > [data-block] > div > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block:not(.is-selected) > .block-editor-block-list__block-edit::before,
-		> .block-editor-block-list__block-edit > [data-block] > div > .wp-block-cover__inner-container > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block:not(.is-selected) > .block-editor-block-list__block-edit::before,
-		> .block-editor-block-list__block-edit > [data-block] > div > .wp-block-group__inner-container > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block:not(.is-selected) > .block-editor-block-list__block-edit::before {
-			border: $border-width dashed $dark-opacity-light-600;
-
-			.is-dark-theme & {
-				border-color: $light-opacity-light-500;
-			}
-		}
-
-		&.is-hovered > .block-editor-block-list__block-edit::before,
-		> .block-editor-block-list__block-edit > [data-block] > div > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block.is-hovered:not(.is-selected) > .block-editor-block-list__block-edit::before,
-		> .block-editor-block-list__block-edit > [data-block] > div > .wp-block-cover__inner-container > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block.is-hovered:not(.is-selected) > .block-editor-block-list__block-edit::before,
-		> .block-editor-block-list__block-edit > [data-block] > div > .wp-block-group__inner-container > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block.is-hovered:not(.is-selected) > .block-editor-block-list__block-edit::before {
-			border-style: solid;
-			border-color: $dark-opacity-light-500;
-			border-left-color: transparent;
-
-			.is-dark-theme & {
-				border-color: $light-opacity-light-400;
-				border-left-color: transparent;
-			}
-		}
-	}
-
-	// Add extra border to child blocks when they are selected.
-	&.is-selected {
-
-		> .block-editor-block-list__block-edit > [data-block] > div > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block:not(.is-selected),
-		> .block-editor-block-list__block-edit > [data-block] > div > .wp-block-cover__inner-container > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block:not(.is-selected),
-		> .block-editor-block-list__block-edit > [data-block] > div > .wp-block-group__inner-container > .block-editor-inner-blocks > .block-editor-block-list__layout > .block-editor-block-list__block:not(.is-selected) {
-
-			> .block-editor-block-list__block-edit::before {
-				border: $border-width dashed $dark-opacity-light-600;
-
-				.is-dark-theme & {
-					border-color: $light-opacity-light-500;
-				}
-			}
-
-			&.is-hovered > .block-editor-block-list__block-edit::before {
-				border-style: solid;
-				border-color: $dark-opacity-light-500;
-				border-left-color: transparent;
-
-				.is-dark-theme & {
-					border-color: $light-opacity-light-400;
-					border-left-color: transparent;
-				}
-			}
-		}
-	}
 }
 
 /**
diff --git a/packages/block-library/src/columns/editor.scss b/packages/block-library/src/columns/editor.scss
index 31189ccf39bef..99790414819a2 100644
--- a/packages/block-library/src/columns/editor.scss
+++ b/packages/block-library/src/columns/editor.scss
@@ -170,23 +170,6 @@ div.block-core-columns.is-vertically-aligned-bottom {
 	right: 0;
 }
 
-/**
- * Add extra padding when the parent block is selected, for easier interaction.
- */
-[data-type="core/columns"].is-selected > .block-editor-block-list__block-edit > [data-block] > div > .block-editor-inner-blocks,
-[data-type="core/columns"].has-child-selected > .block-editor-block-list__block-edit > [data-block] > div > .block-editor-inner-blocks,
-[data-type="core/column"].is-selected > .block-editor-block-list__block-edit > [data-block] > div > .block-editor-inner-blocks,
-[data-type="core/column"].has-child-selected > .block-editor-block-list__block-edit > [data-block] > div > .block-editor-inner-blocks {
-	padding: $block-padding;
-
-	// Negate this padding for the placeholder.
-	> .components-placeholder {
-		margin: -$block-padding;
-		width: calc(100% + #{$block-padding * 2});
-	}
-}
-
-
 // Fullwide: show margin left/right to ensure there's room for the side UI.
 // This is not a 1:1 preview with the front-end where these margins would presumably be zero.
 [data-type="core/columns"][data-align="full"] .wp-block-columns {
diff --git a/packages/block-library/src/group/editor.scss b/packages/block-library/src/group/editor.scss
index 166d3992c6daf..9ef7f28eae6b4 100644
--- a/packages/block-library/src/group/editor.scss
+++ b/packages/block-library/src/group/editor.scss
@@ -86,20 +86,6 @@
 	}
 }
 
-// Add padding when the block is selected, for easier interaction.
-.block-editor-block-list__layout .block-editor-block-list__block[data-type="core/group"].has-child-selected > .block-editor-block-list__block-edit > [data-block] > .wp-block-group,
-.block-editor-block-list__layout .block-editor-block-list__block[data-type="core/group"].is-selected > .block-editor-block-list__block-edit > [data-block] > .wp-block-group {
-
-	> .wp-block-group__inner-container > .block-editor-inner-blocks {
-		padding: $block-padding;
-	}
-
-	&:not(.has-background) > .wp-block-group__inner-container > .block-editor-inner-blocks > .block-editor-block-list__layout {
-		margin-top: -$block-padding * 2;
-		margin-bottom: -$block-padding * 2;
-	}
-}
-
 // Place block list appender in the same place content will appear.
 [data-type="core/group"].is-selected {