diff --git a/src/config.rs b/src/config.rs
index db9a2c8..21764ea 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -66,8 +66,6 @@ impl From<FlexiBool> for bool {
 pub enum MeasurementType {
     Icmp = 1,
     IcmpTimestamps,
-    Ntp,
-    TcpTimestamps,
 }
 
 impl Display for MeasurementType {
@@ -75,8 +73,6 @@ impl Display for MeasurementType {
         match self {
             MeasurementType::Icmp => write!(f, "icmp"),
             MeasurementType::IcmpTimestamps => write!(f, "icmp-timestamps"),
-            MeasurementType::Ntp => write!(f, "ntp"),
-            MeasurementType::TcpTimestamps => write!(f, "tcp-timestamps"),
         }
     }
 }
@@ -88,8 +84,6 @@ impl FromStr for MeasurementType {
         return match s.to_lowercase().as_str() {
             "icmp" => Ok(MeasurementType::Icmp),
             "icmp-timestamps" => Ok(MeasurementType::IcmpTimestamps),
-            "ntp" => Ok(MeasurementType::Ntp),
-            "tcp-timestamps" => Ok(MeasurementType::TcpTimestamps),
             &_ => Err(ConfigError::InvalidMeasurementType(s.to_string())),
         };
     }
diff --git a/src/main.rs b/src/main.rs
index bed1f06..8a52cda 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -95,9 +95,6 @@ fn create_pinger(measurement_type: MeasurementType) -> (PingListenerBox, PingSen
             Box::new(PingerICMPTimestampListener {}),
             Box::new(PingerICMPTimestampSender {}),
         ),
-        MeasurementType::Ntp | MeasurementType::TcpTimestamps => {
-            todo!()
-        }
     }
 }
 
diff --git a/src/pinger.rs b/src/pinger.rs
index 2772d85..54e83a6 100644
--- a/src/pinger.rs
+++ b/src/pinger.rs
@@ -60,9 +60,6 @@ const INFLIGHT_PROBE_TTL: Duration = Duration::from_secs(30);
 fn open_socket(type_: MeasurementType) -> io::Result<IcmpSocket4> {
     match type_ {
         MeasurementType::Icmp | MeasurementType::IcmpTimestamps => IcmpSocket4::new(),
-        _ => {
-            unimplemented!()
-        }
     }
 }