diff --git a/ofborg/src/bin/builder.rs b/ofborg/src/bin/builder.rs
index 5f964d1..ddf89b5 100644
--- a/ofborg/src/bin/builder.rs
+++ b/ofborg/src/bin/builder.rs
@@ -2,7 +2,7 @@ use amqp::Basic;
 use log::{info, log, warn};
 use ofborg::checkout;
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::notifyworker;
 use ofborg::tasks;
 
@@ -39,38 +39,37 @@ fn main() {
             auto_delete: false,
             no_wait: false,
             internal: false,
-            arguments: None,
         })
         .unwrap();
 
-    let queue_name: String = if cfg.runner.build_all_jobs != Some(true) {
+    let queue_name = if cfg.runner.build_all_jobs != Some(true) {
+        let queue_name = format!("build-inputs-{}", cfg.nix.system.clone());
         channel
             .declare_queue(easyamqp::QueueConfig {
-                queue: format!("build-inputs-{}", cfg.nix.system.clone()),
+                queue: queue_name.clone(),
                 passive: false,
                 durable: true,
                 exclusive: false,
                 auto_delete: false,
                 no_wait: false,
-                arguments: None,
             })
-            .unwrap()
-            .queue
+            .unwrap();
+        queue_name
     } else {
         warn!("Building all jobs, please don't use this unless you're");
         warn!("developing and have Graham's permission!");
+        let queue_name = "".to_owned();
         channel
             .declare_queue(easyamqp::QueueConfig {
-                queue: "".to_owned(),
+                queue: queue_name.clone(),
                 passive: false,
                 durable: false,
                 exclusive: true,
                 auto_delete: true,
                 no_wait: false,
-                arguments: None,
             })
-            .unwrap()
-            .queue
+            .unwrap();
+        queue_name
     };
 
     channel
@@ -79,7 +78,6 @@ fn main() {
             exchange: "build-jobs".to_owned(),
             routing_key: None,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -98,7 +96,6 @@ fn main() {
                 no_ack: false,
                 no_wait: false,
                 exclusive: false,
-                arguments: None,
             },
         )
         .unwrap();
diff --git a/ofborg/src/bin/evaluation-filter.rs b/ofborg/src/bin/evaluation-filter.rs
index 73415a3..e21f885 100644
--- a/ofborg/src/bin/evaluation-filter.rs
+++ b/ofborg/src/bin/evaluation-filter.rs
@@ -1,7 +1,7 @@
 use amqp::Basic;
 use log::{info, log};
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::tasks;
 use ofborg::worker;
 
@@ -27,7 +27,6 @@ fn main() {
             auto_delete: false,
             no_wait: false,
             internal: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -39,7 +38,6 @@ fn main() {
             exclusive: false,
             auto_delete: false,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -51,7 +49,6 @@ fn main() {
             exclusive: false,
             auto_delete: false,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -61,7 +58,6 @@ fn main() {
             exchange: "github-events".to_owned(),
             routing_key: Some("pull_request.nixos/nixpkgs".to_owned()),
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -78,7 +74,6 @@ fn main() {
                 no_ack: false,
                 no_wait: false,
                 exclusive: false,
-                arguments: None,
             },
         )
         .unwrap();
diff --git a/ofborg/src/bin/github-comment-filter.rs b/ofborg/src/bin/github-comment-filter.rs
index d7d2ebd..3ee0163 100644
--- a/ofborg/src/bin/github-comment-filter.rs
+++ b/ofborg/src/bin/github-comment-filter.rs
@@ -1,7 +1,7 @@
 use amqp::Basic;
 use log::{info, log};
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::tasks;
 use ofborg::worker;
 
@@ -26,7 +26,6 @@ fn main() {
             auto_delete: false,
             no_wait: false,
             internal: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -39,7 +38,6 @@ fn main() {
             auto_delete: false,
             no_wait: false,
             internal: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -51,7 +49,6 @@ fn main() {
             exclusive: false,
             auto_delete: false,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -61,7 +58,6 @@ fn main() {
             exchange: "github-events".to_owned(),
             routing_key: Some("issue_comment.*".to_owned()),
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -79,7 +75,6 @@ fn main() {
                 no_ack: false,
                 no_wait: false,
                 exclusive: false,
-                arguments: None,
             },
         )
         .unwrap();
diff --git a/ofborg/src/bin/github-comment-poster.rs b/ofborg/src/bin/github-comment-poster.rs
index 3faf332..7a723b1 100644
--- a/ofborg/src/bin/github-comment-poster.rs
+++ b/ofborg/src/bin/github-comment-poster.rs
@@ -1,7 +1,7 @@
 use amqp::Basic;
 use log::{info, log};
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::tasks;
 use ofborg::worker;
 
@@ -23,7 +23,6 @@ fn main() {
             auto_delete: false,
             no_wait: false,
             internal: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -35,7 +34,6 @@ fn main() {
             exclusive: false,
             auto_delete: false,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -45,7 +43,6 @@ fn main() {
             exchange: "build-results".to_owned(),
             routing_key: None,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -62,7 +59,6 @@ fn main() {
                 no_ack: false,
                 no_wait: false,
                 exclusive: false,
-                arguments: None,
             },
         )
         .unwrap();
diff --git a/ofborg/src/bin/log-message-collector.rs b/ofborg/src/bin/log-message-collector.rs
index 6047240..f7513b9 100644
--- a/ofborg/src/bin/log-message-collector.rs
+++ b/ofborg/src/bin/log-message-collector.rs
@@ -1,6 +1,6 @@
 use log::{info, log};
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::tasks;
 use ofborg::worker;
 
@@ -25,22 +25,20 @@ fn main() {
             auto_delete: false,
             no_wait: false,
             internal: false,
-            arguments: None,
         })
         .unwrap();
 
-    let queue_name = channel
+    let queue_name = "".to_owned();
+    channel
         .declare_queue(easyamqp::QueueConfig {
-            queue: "".to_owned(),
+            queue: queue_name.clone(),
             passive: false,
             durable: false,
             exclusive: true,
             auto_delete: true,
             no_wait: false,
-            arguments: None,
         })
-        .unwrap()
-        .queue;
+        .unwrap();
 
     channel
         .bind_queue(easyamqp::BindQueueConfig {
@@ -48,7 +46,6 @@ fn main() {
             exchange: "logs".to_owned(),
             routing_key: Some("*.*".to_owned()),
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -65,7 +62,6 @@ fn main() {
                 no_ack: false,
                 no_wait: false,
                 exclusive: false,
-                arguments: None,
             },
         )
         .unwrap();
diff --git a/ofborg/src/bin/mass-rebuilder.rs b/ofborg/src/bin/mass-rebuilder.rs
index f074749..eb310db 100644
--- a/ofborg/src/bin/mass-rebuilder.rs
+++ b/ofborg/src/bin/mass-rebuilder.rs
@@ -2,7 +2,7 @@ use amqp::Basic;
 use log::{error, info, log};
 use ofborg::checkout;
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::stats;
 use ofborg::tasks;
 use ofborg::worker;
@@ -61,7 +61,6 @@ fn main() {
             exclusive: false,
             auto_delete: false,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -76,7 +75,6 @@ fn main() {
                 no_ack: false,
                 no_wait: false,
                 exclusive: false,
-                arguments: None,
             },
         )
         .unwrap();
diff --git a/ofborg/src/bin/stats.rs b/ofborg/src/bin/stats.rs
index 99bf464..3f147ad 100644
--- a/ofborg/src/bin/stats.rs
+++ b/ofborg/src/bin/stats.rs
@@ -1,7 +1,7 @@
 use amqp::Basic;
 use hyper::server::{Request, Response, Server};
 use log::{info, log};
-use ofborg::easyamqp::TypedWrappers;
+use ofborg::easyamqp::{ChannelExt, ConsumerExt};
 use ofborg::{config, easyamqp, stats, tasks, worker};
 
 use std::env;
@@ -35,7 +35,6 @@ fn main() {
             auto_delete: false,
             no_wait: false,
             internal: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -47,7 +46,6 @@ fn main() {
             exclusive: false,
             auto_delete: false,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -57,7 +55,6 @@ fn main() {
             exchange: "stats".to_owned(),
             routing_key: None,
             no_wait: false,
-            arguments: None,
         })
         .unwrap();
 
@@ -72,7 +69,6 @@ fn main() {
                 no_ack: false,
                 no_wait: false,
                 exclusive: false,
-                arguments: None,
             },
         )
         .unwrap();
diff --git a/ofborg/src/easyamqp.rs b/ofborg/src/easyamqp.rs
index 412d753..d80eeec 100644
--- a/ofborg/src/easyamqp.rs
+++ b/ofborg/src/easyamqp.rs
@@ -41,10 +41,6 @@ pub struct ConsumeConfig {
     /// complete the method it will raise a channel or connection
     /// exception.
     pub no_wait: bool,
-
-    ///  A set of arguments for the consume. The syntax and semantics
-    /// of these arguments depends on the server implementation.
-    pub arguments: Option<amqp::Table>,
 }
 
 pub struct BindQueueConfig {
@@ -88,10 +84,6 @@ pub struct BindQueueConfig {
     /// complete the method it will raise a channel or connection
     /// exception.
     pub no_wait: bool,
-
-    ///  A set of arguments for the binding. The syntax and semantics
-    ///  of these arguments depends on the exchange class.
-    pub arguments: Option<amqp::Table>,
 }
 
 pub enum ExchangeType {
@@ -192,11 +184,6 @@ pub struct ExchangeConfig {
     /// complete the method it will raise a channel or connection
     /// exception.
     pub no_wait: bool,
-
-    /// A set of arguments for the declaration. The syntax and
-    /// semantics of these arguments depends on the server
-    /// implementation.
-    pub arguments: Option<amqp::Table>,
 }
 
 pub struct QueueConfig {
@@ -274,11 +261,6 @@ pub struct QueueConfig {
     /// complete the method it will raise a channel or connection
     /// exception.
     pub no_wait: bool,
-
-    /// A set of arguments for the declaration. The syntax and
-    /// semantics of these arguments depends on the server
-    /// implementation.
-    pub arguments: Option<amqp::Table>,
 }
 
 pub fn session_from_config(config: &RabbitMQConfig) -> Result<amqp::Session, amqp::AMQPError> {
@@ -314,48 +296,22 @@ pub fn session_from_config(config: &RabbitMQConfig) -> Result<amqp::Session, amq
     Ok(session)
 }
 
-pub trait TypedWrappers {
-    fn consume<T>(&mut self, callback: T, config: ConsumeConfig) -> Result<String, amqp::AMQPError>
-    where
-        T: amqp::Consumer + 'static;
-
-    fn declare_exchange(
-        &mut self,
-        config: ExchangeConfig,
-    ) -> Result<amqp::protocol::exchange::DeclareOk, amqp::AMQPError>;
-
-    fn declare_queue(
-        &mut self,
-        config: QueueConfig,
-    ) -> Result<amqp::protocol::queue::DeclareOk, amqp::AMQPError>;
-
-    fn bind_queue(
-        &mut self,
-        config: BindQueueConfig,
-    ) -> Result<amqp::protocol::queue::BindOk, amqp::AMQPError>;
+pub trait ChannelExt {
+    type Error;
+    fn declare_exchange(&mut self, config: ExchangeConfig) -> Result<(), Self::Error>;
+    fn declare_queue(&mut self, config: QueueConfig) -> Result<(), Self::Error>;
+    fn bind_queue(&mut self, config: BindQueueConfig) -> Result<(), Self::Error>;
 }
 
-impl TypedWrappers for amqp::Channel {
-    fn consume<T>(&mut self, callback: T, config: ConsumeConfig) -> Result<String, amqp::AMQPError>
-    where
-        T: amqp::Consumer + 'static,
-    {
-        self.basic_consume(
-            callback,
-            config.queue,
-            config.consumer_tag,
-            config.no_local,
-            config.no_ack,
-            config.exclusive,
-            config.no_wait,
-            config.arguments.unwrap_or_else(amqp::Table::new),
-        )
-    }
+pub trait ConsumerExt<T> {
+    type Error;
+    fn consume(&mut self, callback: T, config: ConsumeConfig) -> Result<(), Self::Error>;
+}
 
-    fn declare_exchange(
-        &mut self,
-        config: ExchangeConfig,
-    ) -> Result<amqp::protocol::exchange::DeclareOk, amqp::AMQPError> {
+impl ChannelExt for amqp::Channel {
+    type Error = amqp::AMQPError;
+
+    fn declare_exchange(&mut self, config: ExchangeConfig) -> Result<(), Self::Error> {
         self.exchange_declare(
             config.exchange,
             config.exchange_type.into(),
@@ -364,14 +320,12 @@ impl TypedWrappers for amqp::Channel {
             config.auto_delete,
             config.internal,
             config.no_wait,
-            config.arguments.unwrap_or_else(amqp::Table::new),
-        )
+            amqp::Table::new(),
+        )?;
+        Ok(())
     }
 
-    fn declare_queue(
-        &mut self,
-        config: QueueConfig,
-    ) -> Result<amqp::protocol::queue::DeclareOk, amqp::AMQPError> {
+    fn declare_queue(&mut self, config: QueueConfig) -> Result<(), Self::Error> {
         self.queue_declare(
             config.queue,
             config.passive,
@@ -379,20 +333,37 @@ impl TypedWrappers for amqp::Channel {
             config.exclusive,
             config.auto_delete,
             config.no_wait,
-            config.arguments.unwrap_or_else(amqp::Table::new),
-        )
+            amqp::Table::new(),
+        )?;
+        Ok(())
     }
 
-    fn bind_queue(
-        &mut self,
-        config: BindQueueConfig,
-    ) -> Result<amqp::protocol::queue::BindOk, amqp::AMQPError> {
+    fn bind_queue(&mut self, config: BindQueueConfig) -> Result<(), Self::Error> {
         self.queue_bind(
             config.queue,
             config.exchange,
             config.routing_key.unwrap_or_else(|| "".to_owned()),
             config.no_wait,
-            config.arguments.unwrap_or_else(amqp::Table::new),
-        )
+            amqp::Table::new(),
+        )?;
+        Ok(())
+    }
+}
+
+impl<T: amqp::Consumer + 'static> ConsumerExt<T> for amqp::Channel {
+    type Error = amqp::AMQPError;
+
+    fn consume(&mut self, callback: T, config: ConsumeConfig) -> Result<(), Self::Error> {
+        self.basic_consume(
+            callback,
+            config.queue,
+            config.consumer_tag,
+            config.no_local,
+            config.no_ack,
+            config.exclusive,
+            config.no_wait,
+            amqp::Table::new(),
+        )?;
+        Ok(())
     }
 }