diff --git a/src/netsleuth/models.py b/src/netsleuth/models.py
index 0e502ae..3a9a5a7 100644
--- a/src/netsleuth/models.py
+++ b/src/netsleuth/models.py
@@ -539,7 +539,6 @@ class QuicResult:
 class PmtuResult:
     host: str
     resolved_ip: str | None = None
-    method: str = "none"
     discovered_mtu: int | None = None
     iface_mtu: int | None = None
     verdict: str = "unknown"
diff --git a/src/netsleuth/probes/pmtud.py b/src/netsleuth/probes/pmtud.py
index 2c572db..07e63c6 100644
--- a/src/netsleuth/probes/pmtud.py
+++ b/src/netsleuth/probes/pmtud.py
@@ -126,7 +126,6 @@ async def probe_pmtu(
     result.resolved_ip = resolved_ip
 
     system = platform.system()
-    result.method = "icmp_win" if system == "Windows" else "system_ping"
 
     async def _probe(size: int) -> tuple[bool, bool]:
         if system == "Windows":
diff --git a/tests/test_pmtud.py b/tests/test_pmtud.py
index afe2e72..956e01c 100644
--- a/tests/test_pmtud.py
+++ b/tests/test_pmtud.py
@@ -90,7 +90,7 @@ def test_unix_ping_df_argv_rounds_a_fractional_timeout_up():
 
 
 def pmtu(**kw) -> PmtuResult:
-    base = dict(host="example.com", resolved_ip="1.2.3.4", method="icmp_win", verdict="unknown")
+    base = dict(host="example.com", resolved_ip="1.2.3.4", verdict="unknown")
     base.update(kw)
     return PmtuResult(**base)