diff --git a/packages/block-library/src/block/index.php b/packages/block-library/src/block/index.php
index 3613680e9e515..8b0227f43c45f 100644
--- a/packages/block-library/src/block/index.php
+++ b/packages/block-library/src/block/index.php
@@ -25,17 +25,6 @@ function render_block_core_block( $attributes ) {
 	}
 
 	if ( isset( $seen_refs[ $attributes['ref'] ] ) ) {
-		if ( ! is_admin() ) {
-			trigger_error(
-				sprintf(
-					// translators: %s is the user-provided title of the reusable block.
-					__( 'Could not render Reusable Block <strong>%s</strong>. Block cannot be rendered inside itself.' ),
-					$reusable_block->post_title
-				),
-				E_USER_WARNING
-			);
-		}
-
 		// WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
 		// is set in `wp_debug_mode()`.
 		$is_debug = defined( 'WP_DEBUG' ) && WP_DEBUG &&
diff --git a/packages/block-library/src/post-content/index.php b/packages/block-library/src/post-content/index.php
index 4c0c4965647f1..400e3068dfa0a 100644
--- a/packages/block-library/src/post-content/index.php
+++ b/packages/block-library/src/post-content/index.php
@@ -23,19 +23,11 @@ function render_block_core_post_content( $attributes, $content, $block ) {
 	$post_id = $block->context['postId'];
 
 	if ( isset( $seen_ids[ $post_id ] ) ) {
-		if ( ! is_admin() ) {
-			trigger_error(
-				sprintf(
-					// translators: %s is a post ID (integer).
-					__( 'Could not render Post Content block with post ID: <code>%s</code>. Block cannot be rendered inside itself.' ),
-					$post_id
-				),
-				E_USER_WARNING
-			);
-		}
-
+		// WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
+		// is set in `wp_debug_mode()`.
 		$is_debug = defined( 'WP_DEBUG' ) && WP_DEBUG &&
 			defined( 'WP_DEBUG_DISPLAY' ) && WP_DEBUG_DISPLAY;
+
 		return $is_debug ?
 			// translators: Visible only in the front end, this warning takes the place of a faulty block.
 			__( '[block rendering halted]' ) :
@@ -44,7 +36,7 @@ function render_block_core_post_content( $attributes, $content, $block ) {
 
 	$seen_ids[ $post_id ] = true;
 
-	if ( ! in_the_loop() ) {
+	if ( ! in_the_loop() && have_posts() ) {
 		the_post();
 	}
 
diff --git a/packages/block-library/src/template-part/index.php b/packages/block-library/src/template-part/index.php
index c210d1a123be6..4f52b0f6d1738 100644
--- a/packages/block-library/src/template-part/index.php
+++ b/packages/block-library/src/template-part/index.php
@@ -73,21 +73,11 @@ function render_block_core_template_part( $attributes ) {
 	}
 
 	if ( isset( $seen_ids[ $template_part_id ] ) ) {
-		if ( ! is_admin() ) {
-			trigger_error(
-				sprintf(
-					// translators: %s are the block attributes.
-					__( 'Could not render Template Part block with the attributes: <code>%s</code>. Block cannot be rendered inside itself.' ),
-					wp_json_encode( $attributes )
-				),
-				E_USER_WARNING
-			);
-		}
-
 		// WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
 		// is set in `wp_debug_mode()`.
 		$is_debug = defined( 'WP_DEBUG' ) && WP_DEBUG &&
 			defined( 'WP_DEBUG_DISPLAY' ) && WP_DEBUG_DISPLAY;
+
 		return $is_debug ?
 			// translators: Visible only in the front end, this warning takes the place of a faulty block.
 			__( '[block rendering halted]' ) :