diff --git a/lib/clif-backend/src/lib.rs b/lib/clif-backend/src/lib.rs
index cdaae76880d..eed22d39ea7 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 d2ddc03d6b7..41f408c422a 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 251296e44c7..454fad1003d 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 c833273dee7..929558f252e 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 27572ee83bd..c12db47d936 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 d106e1708fb..78c6235c8cc 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 70eac299bf2..e749e5a22ff 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 77eb53d12e7..ac9b11a86b9 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 f2561fda011..cf5e8396fc8 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 fc67b6a60a0..62e22b731a7 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 705e38812ad..d36a53a32f0 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 43534b78cf9..3d0b047ead6 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