diff --git a/ext/crypto/shared.rs b/ext/crypto/shared.rs
index 21fddc745f22ed..d5b2d6593ab099 100644
--- a/ext/crypto/shared.rs
+++ b/ext/crypto/shared.rs
@@ -98,11 +98,9 @@ impl V8RawKeyData {
 
   pub fn as_ec_public_key_p256(&self) -> Result<p256::EncodedPoint, AnyError> {
     match self {
-      V8RawKeyData::Public(data) => {
-        // public_key is a serialized EncodedPoint
-        p256::EncodedPoint::from_bytes(data)
-          .map_err(|_| type_error("expected valid public EC key"))
-      }
+      V8RawKeyData::Public(data) => p256::PublicKey::from_sec1_bytes(data)
+        .map(|p| p.to_encoded_point(false))
+        .map_err(|_| type_error("expected valid public EC key")),
       V8RawKeyData::Private(data) => {
         let signing_key = p256::SecretKey::from_pkcs8_der(data)
           .map_err(|_| type_error("expected valid private EC key"))?;
@@ -115,11 +113,9 @@ impl V8RawKeyData {
 
   pub fn as_ec_public_key_p384(&self) -> Result<p384::EncodedPoint, AnyError> {
     match self {
-      V8RawKeyData::Public(data) => {
-        // public_key is a serialized EncodedPoint
-        p384::EncodedPoint::from_bytes(data)
-          .map_err(|_| type_error("expected valid public EC key"))
-      }
+      V8RawKeyData::Public(data) => p384::PublicKey::from_sec1_bytes(data)
+        .map(|p| p.to_encoded_point(false))
+        .map_err(|_| type_error("expected valid public EC key")),
       V8RawKeyData::Private(data) => {
         let signing_key = p384::SecretKey::from_pkcs8_der(data)
           .map_err(|_| type_error("expected valid private EC key"))?;
diff --git a/tests/wpt/runner/expectation.json b/tests/wpt/runner/expectation.json
index 6c90ece91be4f9..cc67addc84a575 100644
--- a/tests/wpt/runner/expectation.json
+++ b/tests/wpt/runner/expectation.json
@@ -918,18 +918,6 @@
     ],
     "import_export": {
       "ec_importKey.https.any.html": [
-        "Good parameters: P-256 bits (spki, buffer(59, compressed), {name: ECDSA, namedCurve: P-256}, true, [verify])",
-        "Good parameters: P-256 bits (raw, buffer(33, compressed), {name: ECDSA, namedCurve: P-256}, true, [verify])",
-        "Good parameters: P-256 bits (spki, buffer(59, compressed), {name: ECDSA, namedCurve: P-256}, true, [])",
-        "Good parameters: P-256 bits (raw, buffer(33, compressed), {name: ECDSA, namedCurve: P-256}, true, [])",
-        "Good parameters: P-256 bits (spki, buffer(59, compressed), {name: ECDSA, namedCurve: P-256}, true, [verify, verify])",
-        "Good parameters: P-256 bits (raw, buffer(33, compressed), {name: ECDSA, namedCurve: P-256}, true, [verify, verify])",
-        "Good parameters: P-384 bits (spki, buffer(72, compressed), {name: ECDSA, namedCurve: P-384}, true, [verify])",
-        "Good parameters: P-384 bits (raw, buffer(49, compressed), {name: ECDSA, namedCurve: P-384}, true, [verify])",
-        "Good parameters: P-384 bits (spki, buffer(72, compressed), {name: ECDSA, namedCurve: P-384}, true, [])",
-        "Good parameters: P-384 bits (raw, buffer(49, compressed), {name: ECDSA, namedCurve: P-384}, true, [])",
-        "Good parameters: P-384 bits (spki, buffer(72, compressed), {name: ECDSA, namedCurve: P-384}, true, [verify, verify])",
-        "Good parameters: P-384 bits (raw, buffer(49, compressed), {name: ECDSA, namedCurve: P-384}, true, [verify, verify])",
         "Good parameters: P-521 bits (spki, buffer(158), {name: ECDSA, namedCurve: P-521}, true, [verify])",
         "Good parameters: P-521 bits (spki, buffer(90, compressed), {name: ECDSA, namedCurve: P-521}, true, [verify])",
         "Good parameters: P-521 bits (jwk, object(kty, crv, x, y), {name: ECDSA, namedCurve: P-521}, true, [verify])",
@@ -957,10 +945,6 @@
         "Good parameters: P-521 bits (jwk, object(kty, crv, x, y, d), {name: ECDSA, namedCurve: P-521}, false, [sign])",
         "Good parameters: P-521 bits (jwk, object(kty, crv, x, y, d), {name: ECDSA, namedCurve: P-521}, false, [sign, sign])",
         "Empty Usages: P-521 bits (jwk, object(kty, crv, x, y, d), {name: ECDSA, namedCurve: P-521}, false, [])",
-        "Good parameters: P-256 bits (spki, buffer(59, compressed), {name: ECDH, namedCurve: P-256}, true, [])",
-        "Good parameters: P-256 bits (raw, buffer(33, compressed), {name: ECDH, namedCurve: P-256}, true, [])",
-        "Good parameters: P-384 bits (spki, buffer(72, compressed), {name: ECDH, namedCurve: P-384}, true, [])",
-        "Good parameters: P-384 bits (raw, buffer(49, compressed), {name: ECDH, namedCurve: P-384}, true, [])",
         "Good parameters: P-521 bits (spki, buffer(158), {name: ECDH, namedCurve: P-521}, true, [])",
         "Good parameters: P-521 bits (spki, buffer(90, compressed), {name: ECDH, namedCurve: P-521}, true, [])",
         "Good parameters: P-521 bits (jwk, object(kty, crv, x, y), {name: ECDH, namedCurve: P-521}, true, [])",
@@ -996,18 +980,6 @@
         "Empty Usages: P-521 bits (jwk, object(kty, crv, x, y, d), {name: ECDH, namedCurve: P-521}, false, [])"
       ],
       "ec_importKey.https.any.worker.html": [
-        "Good parameters: P-256 bits (spki, buffer(59, compressed), {name: ECDSA, namedCurve: P-256}, true, [verify])",
-        "Good parameters: P-256 bits (raw, buffer(33, compressed), {name: ECDSA, namedCurve: P-256}, true, [verify])",
-        "Good parameters: P-256 bits (spki, buffer(59, compressed), {name: ECDSA, namedCurve: P-256}, true, [])",
-        "Good parameters: P-256 bits (raw, buffer(33, compressed), {name: ECDSA, namedCurve: P-256}, true, [])",
-        "Good parameters: P-256 bits (spki, buffer(59, compressed), {name: ECDSA, namedCurve: P-256}, true, [verify, verify])",
-        "Good parameters: P-256 bits (raw, buffer(33, compressed), {name: ECDSA, namedCurve: P-256}, true, [verify, verify])",
-        "Good parameters: P-384 bits (spki, buffer(72, compressed), {name: ECDSA, namedCurve: P-384}, true, [verify])",
-        "Good parameters: P-384 bits (raw, buffer(49, compressed), {name: ECDSA, namedCurve: P-384}, true, [verify])",
-        "Good parameters: P-384 bits (spki, buffer(72, compressed), {name: ECDSA, namedCurve: P-384}, true, [])",
-        "Good parameters: P-384 bits (raw, buffer(49, compressed), {name: ECDSA, namedCurve: P-384}, true, [])",
-        "Good parameters: P-384 bits (spki, buffer(72, compressed), {name: ECDSA, namedCurve: P-384}, true, [verify, verify])",
-        "Good parameters: P-384 bits (raw, buffer(49, compressed), {name: ECDSA, namedCurve: P-384}, true, [verify, verify])",
         "Good parameters: P-521 bits (spki, buffer(158), {name: ECDSA, namedCurve: P-521}, true, [verify])",
         "Good parameters: P-521 bits (spki, buffer(90, compressed), {name: ECDSA, namedCurve: P-521}, true, [verify])",
         "Good parameters: P-521 bits (jwk, object(kty, crv, x, y), {name: ECDSA, namedCurve: P-521}, true, [verify])",
@@ -1035,10 +1007,6 @@
         "Good parameters: P-521 bits (jwk, object(kty, crv, x, y, d), {name: ECDSA, namedCurve: P-521}, false, [sign])",
         "Good parameters: P-521 bits (jwk, object(kty, crv, x, y, d), {name: ECDSA, namedCurve: P-521}, false, [sign, sign])",
         "Empty Usages: P-521 bits (jwk, object(kty, crv, x, y, d), {name: ECDSA, namedCurve: P-521}, false, [])",
-        "Good parameters: P-256 bits (spki, buffer(59, compressed), {name: ECDH, namedCurve: P-256}, true, [])",
-        "Good parameters: P-256 bits (raw, buffer(33, compressed), {name: ECDH, namedCurve: P-256}, true, [])",
-        "Good parameters: P-384 bits (spki, buffer(72, compressed), {name: ECDH, namedCurve: P-384}, true, [])",
-        "Good parameters: P-384 bits (raw, buffer(49, compressed), {name: ECDH, namedCurve: P-384}, true, [])",
         "Good parameters: P-521 bits (spki, buffer(158), {name: ECDH, namedCurve: P-521}, true, [])",
         "Good parameters: P-521 bits (spki, buffer(90, compressed), {name: ECDH, namedCurve: P-521}, true, [])",
         "Good parameters: P-521 bits (jwk, object(kty, crv, x, y), {name: ECDH, namedCurve: P-521}, true, [])",