diff --git a/backend/common/src/lib.rs b/backend/common/src/lib.rs
index 6d09ed2..94f2f24 100644
--- a/backend/common/src/lib.rs
+++ b/backend/common/src/lib.rs
@@ -6,7 +6,6 @@ pub mod time;
 
 mod assign_id;
 mod dense_map;
-mod log_level;
 mod mean_list;
 mod most_seen;
 mod num_stats;
@@ -14,7 +13,6 @@ mod num_stats;
 // Export a bunch of common bits at the top level for ease of import:
 pub use assign_id::AssignId;
 pub use dense_map::DenseMap;
-pub use log_level::LogLevel;
 pub use mean_list::MeanList;
 pub use most_seen::MostSeen;
 pub use num_stats::NumStats;
diff --git a/backend/common/src/log_level.rs b/backend/common/src/log_level.rs
deleted file mode 100644
index dc4c43b..0000000
--- a/backend/common/src/log_level.rs
+++ /dev/null
@@ -1,37 +0,0 @@
-/// A log level that can be decoded from a string (and so can be used
-/// as a CLI argument by things like StructOpt). It can be converted into
-/// a [`log::LevelFilter`] for passing into logging systems.
-#[derive(Debug, PartialEq)]
-pub enum LogLevel {
-    Error,
-    Warn,
-    Info,
-    Debug,
-    Trace,
-}
-
-impl std::str::FromStr for LogLevel {
-    type Err = &'static str;
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        match s {
-            "error" => Ok(LogLevel::Error),
-            "warn" => Ok(LogLevel::Warn),
-            "info" => Ok(LogLevel::Info),
-            "debug" => Ok(LogLevel::Debug),
-            "trace" => Ok(LogLevel::Trace),
-            _ => Err("expected 'error', 'warn', 'info', 'debug' or 'trace'"),
-        }
-    }
-}
-
-impl From<&LogLevel> for log::LevelFilter {
-    fn from(log_level: &LogLevel) -> Self {
-        match log_level {
-            LogLevel::Error => log::LevelFilter::Error,
-            LogLevel::Warn => log::LevelFilter::Warn,
-            LogLevel::Info => log::LevelFilter::Info,
-            LogLevel::Debug => log::LevelFilter::Debug,
-            LogLevel::Trace => log::LevelFilter::Trace,
-        }
-    }
-}
diff --git a/backend/shard/src/main.rs b/backend/shard/src/main.rs
index 6073566..16d01a6 100644
--- a/backend/shard/src/main.rs
+++ b/backend/shard/src/main.rs
@@ -6,7 +6,7 @@ mod real_ip;
 use std::net::IpAddr;
 
 use aggregator::{Aggregator, FromWebsocket};
-use common::{node_message, LogLevel};
+use common::node_message;
 use futures::{channel::mpsc, SinkExt, StreamExt};
 use http::Uri;
 use real_ip::real_ip;
@@ -32,7 +32,7 @@ struct Opts {
     /// The desired log level; one of 'error', 'warn', 'info', 'debug' or 'trace', where
     /// 'error' only logs errors and 'trace' logs everything.
     #[structopt(required = false, long = "log", default_value = "info")]
-    log_level: LogLevel,
+    log_level: log::LevelFilter,
     /// Url to the Backend Core endpoint accepting shard connections
     #[structopt(
         short = "c",
@@ -45,10 +45,9 @@ struct Opts {
 #[tokio::main]
 async fn main() {
     let opts = Opts::from_args();
-    let log_level = &opts.log_level;
 
     SimpleLogger::new()
-        .with_level(log_level.into())
+        .with_level(opts.log_level)
         .init()
         .expect("Must be able to start a logger");
 
diff --git a/backend/telemetry/src/main.rs b/backend/telemetry/src/main.rs
index aeefd4e..e9e5926 100644
--- a/backend/telemetry/src/main.rs
+++ b/backend/telemetry/src/main.rs
@@ -10,7 +10,7 @@ use aggregator::{
     Aggregator, FromFeedWebsocket, FromShardWebsocket, ToFeedWebsocket, ToShardWebsocket,
 };
 use bincode::Options;
-use common::{internal_messages, LogLevel};
+use common::internal_messages;
 use futures::{channel::mpsc, SinkExt, StreamExt};
 use simple_logger::SimpleLogger;
 use structopt::StructOpt;
@@ -34,7 +34,7 @@ struct Opts {
     /// The desired log level; one of 'error', 'warn', 'info', 'debug' or 'trace', where
     /// 'error' only logs errors and 'trace' logs everything.
     #[structopt(required = false, long = "log", default_value = "info")]
-    log_level: LogLevel,
+    log_level: log::LevelFilter,
     /// Space delimited list of the names of chains that are not allowed to connect to
     /// telemetry. Case sensitive.
     #[structopt(required = false, long = "denylist")]
@@ -44,10 +44,9 @@ struct Opts {
 #[tokio::main]
 async fn main() {
     let opts = Opts::from_args();
-    let log_level = &opts.log_level;
 
     SimpleLogger::new()
-        .with_level(log_level.into())
+        .with_level(opts.log_level)
         .init()
         .expect("Must be able to start a logger");