diff --git a/lib/environ/src/vmoffsets.rs b/lib/environ/src/vmoffsets.rs
index 30e413f34a..d55ab8cc8f 100644
--- a/lib/environ/src/vmoffsets.rs
+++ b/lib/environ/src/vmoffsets.rs
@@ -346,10 +346,11 @@ impl VMOffsets {
 
     /// Return the offset to `VMSharedSignatureId` index `index`.
     pub fn vmctx_vmshared_signature_id(&self, index: SignatureIndex) -> u32 {
-        assert!(u32::from(index.as_u32()) < self.num_signature_ids);
+        assert!(index.as_u32() < self.num_signature_ids);
         self.vmctx_signature_ids_begin()
             .checked_add(
-                u32::from(index.as_u32())
+                index
+                    .as_u32()
                     .checked_mul(u32::from(self.size_of_vmshared_signature_index()))
                     .unwrap(),
             )
@@ -358,10 +359,11 @@ impl VMOffsets {
 
     /// Return the offset to `VMFunctionImport` index `index`.
     pub fn vmctx_vmfunction_import(&self, index: FuncIndex) -> u32 {
-        assert!(u32::from(index.as_u32()) < self.num_imported_functions);
+        assert!(index.as_u32() < self.num_imported_functions);
         self.vmctx_imported_functions_begin()
             .checked_add(
-                u32::from(index.as_u32())
+                index
+                    .as_u32()
                     .checked_mul(u32::from(self.size_of_vmfunction_import()))
                     .unwrap(),
             )
@@ -370,10 +372,11 @@ impl VMOffsets {
 
     /// Return the offset to `VMTableImport` index `index`.
     pub fn vmctx_vmtable_import(&self, index: TableIndex) -> u32 {
-        assert!(u32::from(index.as_u32()) < self.num_imported_tables);
+        assert!(index.as_u32() < self.num_imported_tables);
         self.vmctx_imported_tables_begin()
             .checked_add(
-                u32::from(index.as_u32())
+                index
+                    .as_u32()
                     .checked_mul(u32::from(self.size_of_vmtable_import()))
                     .unwrap(),
             )
@@ -382,10 +385,11 @@ impl VMOffsets {
 
     /// Return the offset to `VMMemoryImport` index `index`.
     pub fn vmctx_vmmemory_import(&self, index: MemoryIndex) -> u32 {
-        assert!(u32::from(index.as_u32()) < self.num_imported_memories);
+        assert!(index.as_u32() < self.num_imported_memories);
         self.vmctx_imported_memories_begin()
             .checked_add(
-                u32::from(index.as_u32())
+                index
+                    .as_u32()
                     .checked_mul(u32::from(self.size_of_vmmemory_import()))
                     .unwrap(),
             )
@@ -394,10 +398,11 @@ impl VMOffsets {
 
     /// Return the offset to `VMGlobalImport` index `index`.
     pub fn vmctx_vmglobal_import(&self, index: GlobalIndex) -> u32 {
-        assert!(u32::from(index.as_u32()) < self.num_imported_globals);
+        assert!(index.as_u32() < self.num_imported_globals);
         self.vmctx_imported_globals_begin()
             .checked_add(
-                u32::from(index.as_u32())
+                index
+                    .as_u32()
                     .checked_mul(u32::from(self.size_of_vmglobal_import()))
                     .unwrap(),
             )
@@ -406,10 +411,11 @@ impl VMOffsets {
 
     /// Return the offset to `VMTableDefinition` index `index`.
     pub fn vmctx_vmtable_definition(&self, index: DefinedTableIndex) -> u32 {
-        assert!(u32::from(index.as_u32()) < self.num_defined_tables);
+        assert!(index.as_u32() < self.num_defined_tables);
         self.vmctx_tables_begin()
             .checked_add(
-                u32::from(index.as_u32())
+                index
+                    .as_u32()
                     .checked_mul(u32::from(self.size_of_vmtable_definition()))
                     .unwrap(),
             )
@@ -418,10 +424,11 @@ impl VMOffsets {
 
     /// Return the offset to `VMMemoryDefinition` index `index`.
     pub fn vmctx_vmmemory_definition(&self, index: DefinedMemoryIndex) -> u32 {
-        assert!(u32::from(index.as_u32()) < self.num_defined_memories);
+        assert!(index.as_u32() < self.num_defined_memories);
         self.vmctx_memories_begin()
             .checked_add(
-                u32::from(index.as_u32())
+                index
+                    .as_u32()
                     .checked_mul(u32::from(self.size_of_vmmemory_definition()))
                     .unwrap(),
             )
@@ -430,10 +437,11 @@ impl VMOffsets {
 
     /// Return the offset to the `VMGlobalDefinition` index `index`.
     pub fn vmctx_vmglobal_definition(&self, index: DefinedGlobalIndex) -> u32 {
-        assert!(u32::from(index.as_u32()) < self.num_defined_globals);
+        assert!(index.as_u32() < self.num_defined_globals);
         self.vmctx_globals_begin()
             .checked_add(
-                u32::from(index.as_u32())
+                index
+                    .as_u32()
                     .checked_mul(u32::from(self.size_of_vmglobal_definition()))
                     .unwrap(),
             )