diff --git a/components/script/dom/idbobjectstore.rs b/components/script/dom/idbobjectstore.rs
index 6cd1c3a117b..71c270bb1de 100644
--- a/components/script/dom/idbobjectstore.rs
+++ b/components/script/dom/idbobjectstore.rs
@@ -215,8 +215,7 @@ impl IDBObjectStore {
             }
         }
 
-        let serialized_value =
-            structuredclone::write(cx, value, None).expect("Could not serialize value");
+        let serialized_value = structuredclone::write(cx, value, None)?;
 
         IDBRequest::execute_async(
             self,
diff --git a/tests/wpt/meta/IndexedDB/idb_binary_key_conversion.any.js.ini b/tests/wpt/meta/IndexedDB/idb_binary_key_conversion.any.js.ini
index 40cb36ba77e..eaf7c50252f 100644
--- a/tests/wpt/meta/IndexedDB/idb_binary_key_conversion.any.js.ini
+++ b/tests/wpt/meta/IndexedDB/idb_binary_key_conversion.any.js.ini
@@ -2,7 +2,6 @@
   expected: ERROR
 
 [idb_binary_key_conversion.any.worker.html]
-  expected: CRASH
   [Empty ArrayBuffer]
     expected: FAIL
 
@@ -20,7 +19,6 @@
 
 
 [idb_binary_key_conversion.any.html]
-  expected: CRASH
   [Empty ArrayBuffer]
     expected: FAIL
 
diff --git a/tests/wpt/meta/IndexedDB/idbkeyrange-includes.any.js.ini b/tests/wpt/meta/IndexedDB/idbkeyrange-includes.any.js.ini
index 238ccc1b55e..0cf69e81580 100644
--- a/tests/wpt/meta/IndexedDB/idbkeyrange-includes.any.js.ini
+++ b/tests/wpt/meta/IndexedDB/idbkeyrange-includes.any.js.ini
@@ -1,35 +1,7 @@
 [idbkeyrange-includes.any.html]
-  expected: CRASH
   [IDBKeyRange.includes() with invalid input]
     expected: FAIL
 
-  [IDBKeyRange.includes() with a closed range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an open range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with a lower-open upper-closed range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with a lower-closed upper-open range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an only range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an closed lower-bounded range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an open lower-bounded range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an closed upper-bounded range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an open upper-bounded range]
-    expected: FAIL
-
   [IDBKeyRange.includes() with non-numeric keys]
     expected: FAIL
 
@@ -41,36 +13,8 @@
   expected: ERROR
 
 [idbkeyrange-includes.any.worker.html]
-  expected: CRASH
   [IDBKeyRange.includes() with invalid input]
     expected: FAIL
 
-  [IDBKeyRange.includes() with a closed range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an open range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with a lower-open upper-closed range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with a lower-closed upper-open range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an only range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an closed lower-bounded range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an open lower-bounded range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an closed upper-bounded range]
-    expected: FAIL
-
-  [IDBKeyRange.includes() with an open upper-bounded range]
-    expected: FAIL
-
   [IDBKeyRange.includes() with non-numeric keys]
     expected: FAIL
diff --git a/tests/wpt/meta/IndexedDB/idbobjectstore_delete.any.js.ini b/tests/wpt/meta/IndexedDB/idbobjectstore_delete.any.js.ini
index fe3aeaea9dd..542898595b5 100644
--- a/tests/wpt/meta/IndexedDB/idbobjectstore_delete.any.js.ini
+++ b/tests/wpt/meta/IndexedDB/idbobjectstore_delete.any.js.ini
@@ -1,4 +1,5 @@
 [idbobjectstore_delete.any.worker.html]
+  expected: CRASH
   [delete() removes record (inline keys)]
     expected: FAIL
 
@@ -22,6 +23,7 @@
   expected: ERROR
 
 [idbobjectstore_delete.any.html]
+  expected: CRASH
   [delete() removes record (inline keys)]
     expected: FAIL
 
diff --git a/tests/wpt/meta/IndexedDB/value_recursive.any.js.ini b/tests/wpt/meta/IndexedDB/value_recursive.any.js.ini
index 192d946b09d..0265de812c6 100644
--- a/tests/wpt/meta/IndexedDB/value_recursive.any.js.ini
+++ b/tests/wpt/meta/IndexedDB/value_recursive.any.js.ini
@@ -6,9 +6,6 @@
   [Recursive value - array member contains self]
     expected: TIMEOUT
 
-  [Recursive value - array indirectly contains self]
-    expected: TIMEOUT
-
 
 [value_recursive.any.worker.html]
   expected: TIMEOUT
diff --git a/tests/wpt/meta/wasm/serialization/module/serialization-via-idb.any.js.ini b/tests/wpt/meta/wasm/serialization/module/serialization-via-idb.any.js.ini
deleted file mode 100644
index 6de5d32ff7d..00000000000
--- a/tests/wpt/meta/wasm/serialization/module/serialization-via-idb.any.js.ini
+++ /dev/null
@@ -1,16 +0,0 @@
-[serialization-via-idb.any.html]
-  expected: CRASH
-  [WebAssembly.Module cloning via IndexedDB: basic case]
-    expected: FAIL
-
-  [WebAssembly.Module cloning via the IndexedDB: is interleaved correctly]
-    expected: FAIL
-
-
-[serialization-via-idb.any.worker.html]
-  expected: CRASH
-  [WebAssembly.Module cloning via IndexedDB: basic case]
-    expected: FAIL
-
-  [WebAssembly.Module cloning via the IndexedDB: is interleaved correctly]
-    expected: FAIL
diff --git a/tests/wpt/meta/wasm/webapi/historical.any.js.ini b/tests/wpt/meta/wasm/webapi/historical.any.js.ini
index 2fd04ba16e5..6e7050c7f12 100644
--- a/tests/wpt/meta/wasm/webapi/historical.any.js.ini
+++ b/tests/wpt/meta/wasm/webapi/historical.any.js.ini
@@ -5,12 +5,5 @@
   expected: ERROR
 
 [historical.any.worker.html]
-  expected: CRASH
-  [historical]
-    expected: FAIL
-
 
 [historical.any.html]
-  expected: CRASH
-  [historical]
-    expected: FAIL