diff --git a/functions.php b/functions.php
index 88d274a..4c9e63a 100644
--- a/functions.php
+++ b/functions.php
@@ -137,17 +137,32 @@ function flash_block_editor_styles() {
 	 * @global int $content_width
 	 **/
 	function flash_content_width() {
-		$content_width = 780;
+		$GLOBALS['content_width'] = apply_filters( 'flash_content_width', 780 );
+	}
 
-		$classes = flash_get_layout();
-		if ( $classes == 'full-width' ) {
-			$content_width = 1200;
-		}
+	// Sets the theme's own default early, so wp-admin (image size caps, the block
+	// editor) and REST API requests -- which never reach template_redirect -- still
+	// get a value.
+	add_action( 'after_setup_theme', 'flash_content_width', 0 );
+endif;
 
-		$GLOBALS['content_width'] = apply_filters( 'flash_content_width', $content_width );
+if ( ! function_exists( 'flash_content_width_for_layout' ) ) :
+	/**
+	 * Widen content_width for a full-width page's actual frontend render.
+	 *
+	 * Run on template_redirect, not after_setup_theme: flash_get_layout() relies
+	 * on is_page()/is_single()/$post, which aren't reliable until the main query
+	 * has been parsed.
+	 *
+	 * @global int $content_width
+	 **/
+	function flash_content_width_for_layout() {
+		if ( 'full-width' == flash_get_layout() ) {
+			$GLOBALS['content_width'] = apply_filters( 'flash_content_width', 1200 );
+		}
 	}
 
-	add_action( 'after_setup_theme', 'flash_content_width', 0 );
+	add_action( 'template_redirect', 'flash_content_width_for_layout' );
 endif;
 
 /**
diff --git a/inc/extras.php b/inc/extras.php
index 0541d2a..1b444ad 100644
--- a/inc/extras.php
+++ b/inc/extras.php
@@ -646,25 +646,3 @@ function flash_change_logo_attr( $attr, $attachment, $size ) {
 endif;
 
 add_filter( 'wp_get_attachment_image_attributes', 'flash_change_logo_attr', 10, 3 );
-
-/**
- * Compare user's current version of plugin.
- */
-if ( ! function_exists( 'flash_plugin_version_compare' ) ) {
-	function flash_plugin_version_compare( $plugin_slug, $version_to_compare ) {
-		if ( ! function_exists( 'get_plugins' ) ) {
-			require_once ABSPATH . 'wp-admin/includes/plugin.php';
-		}
-
-		$installed_plugins = get_plugins();
-
-		// Plugin not installed.
-		if ( ! isset( $installed_plugins[ $plugin_slug ] ) ) {
-			return false;
-		}
-
-		$tdi_user_version = $installed_plugins[ $plugin_slug ]['Version'];
-
-		return version_compare( $tdi_user_version, $version_to_compare, '<' );
-	}
-}
diff --git a/inc/template-tags.php b/inc/template-tags.php
index 346b6d8..7058fbc 100644
--- a/inc/template-tags.php
+++ b/inc/template-tags.php
@@ -101,7 +101,7 @@ function flash_categorized_blog() {
 		// Count the number of categories that are attached to the posts.
 		$all_the_cool_cats = count( $all_the_cool_cats );
 
-		set_transient( 'flash_categories', $all_the_cool_cats );
+		set_transient( 'flash_categories', $all_the_cool_cats, DAY_IN_SECONDS );
 	}
 
 	if ( $all_the_cool_cats > 1 ) {
@@ -124,4 +124,6 @@ function flash_category_transient_flusher() {
 	delete_transient( 'flash_categories' );
 }
 add_action( 'edit_category', 'flash_category_transient_flusher' );
-add_action( 'save_post',     'flash_category_transient_flusher' );
+add_action( 'save_post', 'flash_category_transient_flusher' );
+add_action( 'create_category', 'flash_category_transient_flusher' );
+add_action( 'delete_category', 'flash_category_transient_flusher' );
diff --git a/inc/woocommerce.php b/inc/woocommerce.php
index 5a0f2ca..159e99a 100644
--- a/inc/woocommerce.php
+++ b/inc/woocommerce.php
@@ -51,16 +51,3 @@ function flash_woocommerce_header_add_to_cart_fragment( $fragments ) {
 	$fragments['div.flash-cart-views'] = ob_get_clean();
 	return $fragments;
 }
-
-/**
- * Check if the current viewed page is of WooCommerce
- *
- * @return void
- */
-function flash_is_woocommerce_pages() {
-	if ( is_shop() || is_product() || is_product_category() || is_product_tag() ) {
-		return true;
-	}
-
-	return false;
-}
\ No newline at end of file