diff --git a/lib/clif-backend/src/lib.rs b/lib/clif-backend/src/lib.rs
index cdaae7688..eed22d39e 100644
--- a/lib/clif-backend/src/lib.rs
+++ b/lib/clif-backend/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/lib/emscripten/src/lib.rs b/lib/emscripten/src/lib.rs
index d2ddc03d6..41f408c42 100644
--- a/lib/emscripten/src/lib.rs
+++ b/lib/emscripten/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/lib/llvm-backend/src/lib.rs b/lib/llvm-backend/src/lib.rs
index 251296e44..454fad100 100644
--- a/lib/llvm-backend/src/lib.rs
+++ b/lib/llvm-backend/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/lib/middleware-common/src/lib.rs b/lib/middleware-common/src/lib.rs
index c833273de..929558f25 100644
--- a/lib/middleware-common/src/lib.rs
+++ b/lib/middleware-common/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/lib/runtime-core/src/lib.rs b/lib/runtime-core/src/lib.rs
index 27572ee83..c12db47d9 100644
--- a/lib/runtime-core/src/lib.rs
+++ b/lib/runtime-core/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/lib/runtime/src/lib.rs b/lib/runtime/src/lib.rs
index d106e1708..78c6235c8 100644
--- a/lib/runtime/src/lib.rs
+++ b/lib/runtime/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/lib/singlepass-backend/src/lib.rs b/lib/singlepass-backend/src/lib.rs
index 70eac299b..e749e5a22 100644
--- a/lib/singlepass-backend/src/lib.rs
+++ b/lib/singlepass-backend/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/lib/wasi/src/lib.rs b/lib/wasi/src/lib.rs
index 77eb53d12..ac9b11a86 100644
--- a/lib/wasi/src/lib.rs
+++ b/lib/wasi/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/lib/win-exception-handler/src/lib.rs b/lib/win-exception-handler/src/lib.rs
index f2561fda0..cf5e8396f 100644
--- a/lib/win-exception-handler/src/lib.rs
+++ b/lib/win-exception-handler/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/src/bin/kwasmd.rs b/src/bin/kwasmd.rs
index fc67b6a60..62e22b731 100644
--- a/src/bin/kwasmd.rs
+++ b/src/bin/kwasmd.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/src/bin/wasmer.rs b/src/bin/wasmer.rs
index 705e38812..d36a53a32 100644
--- a/src/bin/wasmer.rs
+++ b/src/bin/wasmer.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns
diff --git a/src/lib.rs b/src/lib.rs
index 43534b78c..3d0b047ea 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,8 @@
 #![deny(
     dead_code,
+    nonstandard_style,
     unused_imports,
+    unused_mut,
     unused_variables,
     unused_unsafe,
     unreachable_patterns