diff --git a/html/dom/render-blocking/header-inserted-preload-link.tentative.html b/html/dom/render-blocking/header-inserted-preload-link.tentative.html
deleted file mode 100644
index 12eda1de2cd4d0..00000000000000
--- a/html/dom/render-blocking/header-inserted-preload-link.tentative.html
+++ /dev/null
@@ -1,25 +0,0 @@
-
-
Header-inserted preload links with "blocking=render" are render-blocking
-
-
-
-
-
-
-Lorem ipsum
-
-
diff --git a/html/dom/render-blocking/header-inserted-preload-link.tentative.html.headers b/html/dom/render-blocking/header-inserted-preload-link.tentative.html.headers
deleted file mode 100644
index 77399147c4c153..00000000000000
--- a/html/dom/render-blocking/header-inserted-preload-link.tentative.html.headers
+++ /dev/null
@@ -1 +0,0 @@
-Link: ;rel=preload;as=font;blocking=render;crossorigin=anonymous;
diff --git a/html/dom/render-blocking/invalid-render-blocking-preload-link.html b/html/dom/render-blocking/invalid-render-blocking-preload-link.html
deleted file mode 100644
index a640f72e6feaf0..00000000000000
--- a/html/dom/render-blocking/invalid-render-blocking-preload-link.html
+++ /dev/null
@@ -1,15 +0,0 @@
-
-An invalid preload link should not block rendering
-
-
-
-
-
diff --git a/html/dom/render-blocking/parser-inserted-modulepreload-link.tentative.html b/html/dom/render-blocking/parser-inserted-modulepreload-link.tentative.html
deleted file mode 100644
index 70fbac6d3ba181..00000000000000
--- a/html/dom/render-blocking/parser-inserted-modulepreload-link.tentative.html
+++ /dev/null
@@ -1,28 +0,0 @@
-
-Parser-inserted modulepreload links with "blocking=render" are render-blocking
-
-
-
-
-
-
-Lorem ipsum
-
-
diff --git a/html/dom/render-blocking/parser-inserted-preload-link.tentative.html b/html/dom/render-blocking/parser-inserted-preload-link.tentative.html
deleted file mode 100644
index 827985d71a8a92..00000000000000
--- a/html/dom/render-blocking/parser-inserted-preload-link.tentative.html
+++ /dev/null
@@ -1,27 +0,0 @@
-
-Parser-inserted preload links with "blocking=render" are render-blocking
-
-
-
-
-
-
-Lorem ipsum
-
-
diff --git a/html/dom/render-blocking/remove-attr-unblocks-rendering.optional.html b/html/dom/render-blocking/remove-attr-unblocks-rendering.optional.html
index e7b75f5c139893..c73e3c6452b5ac 100644
--- a/html/dom/render-blocking/remove-attr-unblocks-rendering.optional.html
+++ b/html/dom/render-blocking/remove-attr-unblocks-rendering.optional.html
@@ -14,10 +14,6 @@
immediately/soon.
-->
-
-
-
-
-
-
-
-
-
-
-
diff --git a/html/dom/render-blocking/script-inserted-modulepreload-link.tentative.html b/html/dom/render-blocking/script-inserted-modulepreload-link.tentative.html
deleted file mode 100644
index 67c79f01bfec48..00000000000000
--- a/html/dom/render-blocking/script-inserted-modulepreload-link.tentative.html
+++ /dev/null
@@ -1,35 +0,0 @@
-
-Script-inserted modulepreload links with "blocking=render" are render-blocking
-
-
-
-
-
-
-
-Lorem ipsum
-
-
diff --git a/html/dom/render-blocking/script-inserted-preload-link.tentative.html b/html/dom/render-blocking/script-inserted-preload-link.tentative.html
deleted file mode 100644
index a96e223d623cd8..00000000000000
--- a/html/dom/render-blocking/script-inserted-preload-link.tentative.html
+++ /dev/null
@@ -1,34 +0,0 @@
-
-Script-inserted preload links with "blocking=render" are render-blocking
-
-
-
-
-
-
-
-Lorem ipsum
-
-
diff --git a/html/dom/render-blocking/stylesheet-header-inserted-preload-link.tentative.html b/html/dom/render-blocking/stylesheet-header-inserted-preload-link.tentative.html
deleted file mode 100644
index 6ad9ddb1cd1cdc..00000000000000
--- a/html/dom/render-blocking/stylesheet-header-inserted-preload-link.tentative.html
+++ /dev/null
@@ -1,20 +0,0 @@
-
-Stylesheet can specify a web font as render-blocking via preload link header
-
-
-
-
-
-
-Lorem ipsum
-
-
diff --git a/html/dom/render-blocking/support/font-with-preload-link-header.css b/html/dom/render-blocking/support/font-with-preload-link-header.css
deleted file mode 100644
index ba0b24be2deaf9..00000000000000
--- a/html/dom/render-blocking/support/font-with-preload-link-header.css
+++ /dev/null
@@ -1,4 +0,0 @@
-@font-face {
- font-family: custom-font;
- src: url('/fonts/Ahem.ttf?pipe=trickle(d1)');
-}
diff --git a/html/dom/render-blocking/support/font-with-preload-link-header.css.headers b/html/dom/render-blocking/support/font-with-preload-link-header.css.headers
deleted file mode 100644
index 77399147c4c153..00000000000000
--- a/html/dom/render-blocking/support/font-with-preload-link-header.css.headers
+++ /dev/null
@@ -1 +0,0 @@
-Link: ;rel=preload;as=font;blocking=render;crossorigin=anonymous;
diff --git a/html/dom/render-blocking/support/subframe-render-blocking-preload.html b/html/dom/render-blocking/support/subframe-render-blocking-preload.html
deleted file mode 100644
index 31734b9bbc733d..00000000000000
--- a/html/dom/render-blocking/support/subframe-render-blocking-preload.html
+++ /dev/null
@@ -1,37 +0,0 @@
-
-This subframe preloads a render-blocking font
-
-
-
-Lorem ipsum
-
-
-
-
-
-
-
-
-
-
-