diff --git a/Cargo.lock b/Cargo.lock
index 11f3e9b9..1991a8af 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -753,19 +753,19 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet"
-version = "1.1.0-beta.3"
+version = "1.1.0-beta.4"
 dependencies = [
  "built 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ctrlc 3.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_wallet_api 1.1.0-beta.3",
- "grin_wallet_config 1.1.0-beta.3",
- "grin_wallet_controller 1.1.0-beta.3",
- "grin_wallet_impls 1.1.0-beta.3",
- "grin_wallet_libwallet 1.1.0-beta.3",
- "grin_wallet_util 1.1.0-beta.3",
+ "grin_wallet_api 1.1.0-beta.4",
+ "grin_wallet_config 1.1.0-beta.4",
+ "grin_wallet_controller 1.1.0-beta.4",
+ "grin_wallet_impls 1.1.0-beta.4",
+ "grin_wallet_libwallet 1.1.0-beta.4",
+ "grin_wallet_util 1.1.0-beta.4",
  "linefeed 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "prettytable-rs 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -774,16 +774,16 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_api"
-version = "1.1.0-beta.3"
+version = "1.1.0-beta.4"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "easy-jsonrpc 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_wallet_config 1.1.0-beta.3",
- "grin_wallet_impls 1.1.0-beta.3",
- "grin_wallet_libwallet 1.1.0-beta.3",
- "grin_wallet_util 1.1.0-beta.3",
+ "grin_wallet_config 1.1.0-beta.4",
+ "grin_wallet_impls 1.1.0-beta.4",
+ "grin_wallet_libwallet 1.1.0-beta.4",
+ "grin_wallet_util 1.1.0-beta.4",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -792,10 +792,10 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_config"
-version = "1.1.0-beta.3"
+version = "1.1.0-beta.4"
 dependencies = [
  "dirs 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_wallet_util 1.1.0-beta.3",
+ "grin_wallet_util 1.1.0-beta.4",
  "pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.91 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -805,18 +805,18 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_controller"
-version = "1.1.0-beta.3"
+version = "1.1.0-beta.4"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "easy-jsonrpc 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_wallet_api 1.1.0-beta.3",
- "grin_wallet_config 1.1.0-beta.3",
- "grin_wallet_impls 1.1.0-beta.3",
- "grin_wallet_libwallet 1.1.0-beta.3",
- "grin_wallet_util 1.1.0-beta.3",
+ "grin_wallet_api 1.1.0-beta.4",
+ "grin_wallet_config 1.1.0-beta.4",
+ "grin_wallet_impls 1.1.0-beta.4",
+ "grin_wallet_libwallet 1.1.0-beta.4",
+ "grin_wallet_util 1.1.0-beta.4",
  "hyper 0.12.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -836,16 +836,16 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_impls"
-version = "1.1.0-beta.3"
+version = "1.1.0-beta.4"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_wallet_config 1.1.0-beta.3",
- "grin_wallet_libwallet 1.1.0-beta.3",
- "grin_wallet_util 1.1.0-beta.3",
+ "grin_wallet_config 1.1.0-beta.4",
+ "grin_wallet_libwallet 1.1.0-beta.4",
+ "grin_wallet_util 1.1.0-beta.4",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -860,14 +860,14 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_libwallet"
-version = "1.1.0-beta.3"
+version = "1.1.0-beta.4"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_wallet_config 1.1.0-beta.3",
- "grin_wallet_util 1.1.0-beta.3",
+ "grin_wallet_config 1.1.0-beta.4",
+ "grin_wallet_util 1.1.0-beta.4",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -881,7 +881,7 @@ dependencies = [
 
 [[package]]
 name = "grin_wallet_util"
-version = "1.1.0-beta.3"
+version = "1.1.0-beta.4"
 dependencies = [
  "dirs 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "grin_api 1.1.0-beta.2 (git+https://github.com/mimblewimble/grin)",
diff --git a/api/src/foreign_rpc.rs b/api/src/foreign_rpc.rs
index 8d363f2a..f7ae06c0 100644
--- a/api/src/foreign_rpc.rs
+++ b/api/src/foreign_rpc.rs
@@ -567,7 +567,6 @@ pub fn run_doctest_foreign(
 	init_tx: bool,
 	init_invoice_tx: bool,
 ) -> Result<Option<serde_json::Value>, String> {
-	use crate::{Foreign, ForeignRpc};
 	use easy_jsonrpc::Handler;
 	use grin_wallet_impls::test_framework::{self, LocalWalletClient, WalletProxy};
 	use grin_wallet_libwallet::api_impl;
diff --git a/api/src/owner_rpc.rs b/api/src/owner_rpc.rs
index 4593faba..5ce71026 100644
--- a/api/src/owner_rpc.rs
+++ b/api/src/owner_rpc.rs
@@ -1336,7 +1336,6 @@ pub fn run_doctest_owner(
 	lock_tx: bool,
 	finalize_tx: bool,
 ) -> Result<Option<serde_json::Value>, String> {
-	use crate::{Owner, OwnerRpc};
 	use easy_jsonrpc::Handler;
 	use grin_wallet_impls::test_framework::{self, LocalWalletClient, WalletProxy};
 	use grin_wallet_libwallet::api_impl;
diff --git a/libwallet/src/internal/tx.rs b/libwallet/src/internal/tx.rs
index d18f84ae..d6084fd6 100644
--- a/libwallet/src/internal/tx.rs
+++ b/libwallet/src/internal/tx.rs
@@ -23,7 +23,7 @@ use crate::slate::Slate;
 use crate::types::{Context, NodeClient, TxLogEntryType, WalletBackend};
 use crate::{Error, ErrorKind};
 
-/// static for incrementing test UUIDs
+// static for incrementing test UUIDs
 lazy_static! {
 	static ref SLATE_COUNTER: Mutex<u8> = { Mutex::new(0) };
 }