diff --git a/src/Externs.cs b/src/Externs.cs
index 08b1407..0e16663 100644
--- a/src/Externs.cs
+++ b/src/Externs.cs
@@ -7,7 +7,7 @@ namespace Wasmtime
     [StructLayout(LayoutKind.Sequential)]
     internal record struct ExternFunc
     {
-        static ExternFunc() => Debug.Assert(Marshal.SizeOf(typeof(ExternFunc)) == 16);
+        static ExternFunc() => Debug.Assert(Marshal.SizeOf<ExternFunc>() == 16);
 
         public ulong store;
         public IntPtr __private;
@@ -16,11 +16,11 @@ internal record struct ExternFunc
     [StructLayout(LayoutKind.Explicit)]
     internal record struct ExternTable
     {
-        static ExternTable() => Debug.Assert(Marshal.SizeOf(typeof(ExternTable)) == 24);
+        static ExternTable() => Debug.Assert(Marshal.SizeOf<ExternTable>() == 24);
 
         // Use explicit offsets because the struct in the C api has extra padding
         // due to field alignments. The total struct size is 24 bytes.
-        
+
         [FieldOffset(0)]
         public ulong store;
         [FieldOffset(8)]
@@ -29,15 +29,15 @@ internal record struct ExternTable
         public uint __private2;
     }
 
-    
+
     [StructLayout(LayoutKind.Explicit)]
     internal record struct ExternMemory
     {
-        static ExternMemory() => Debug.Assert(Marshal.SizeOf(typeof(ExternMemory)) == 24);
+        static ExternMemory() => Debug.Assert(Marshal.SizeOf<ExternMemory>() == 24);
 
         // Use explicit offsets because the struct in the C api has extra padding
         // due to field alignments. The total struct size is 24 bytes.
-        
+
         [FieldOffset(0)]
         public ulong store;
         [FieldOffset(8)]
@@ -49,7 +49,7 @@ internal record struct ExternMemory
     [StructLayout(LayoutKind.Sequential)]
     internal record struct ExternInstance
     {
-        static ExternInstance() => Debug.Assert(Marshal.SizeOf(typeof(ExternInstance)) == 16);
+        static ExternInstance() => Debug.Assert(Marshal.SizeOf<ExternInstance>() == 16);
 
         public ulong store;
         public nuint __private;
@@ -58,7 +58,7 @@ internal record struct ExternInstance
     [StructLayout(LayoutKind.Sequential)]
     internal record struct ExternGlobal
     {
-        static ExternGlobal() => Debug.Assert(Marshal.SizeOf(typeof(ExternMemory)) == 24);
+        static ExternGlobal() => Debug.Assert(Marshal.SizeOf<ExternMemory>() == 24);
 
         public ulong store;
         public uint __private1;
@@ -78,7 +78,7 @@ internal enum ExternKind : byte
     [StructLayout(LayoutKind.Explicit)]
     internal struct ExternUnion
     {
-        static ExternUnion() => Debug.Assert(Marshal.SizeOf(typeof(ExternUnion)) == 24);
+        static ExternUnion() => Debug.Assert(Marshal.SizeOf<ExternUnion>() == 24);
 
         [FieldOffset(0)]
         public ExternFunc func;
@@ -99,8 +99,8 @@ internal struct ExternUnion
     [StructLayout(LayoutKind.Sequential)]
     internal struct Extern : IDisposable
     {
-        static Extern() => Debug.Assert(Marshal.SizeOf(typeof(Extern)) == 32);
-        
+        static Extern() => Debug.Assert(Marshal.SizeOf<Extern>() == 32);
+
         public ExternKind kind;
         public ExternUnion of;
 
diff --git a/src/Wasmtime.csproj b/src/Wasmtime.csproj
index 8cd90c8..c9fa5e4 100644
--- a/src/Wasmtime.csproj
+++ b/src/Wasmtime.csproj
@@ -46,7 +46,7 @@ The .NET embedding of Wasmtime enables .NET code to instantiate WebAssembly modu
   <ItemGroup>
     <None Include="README.md" Pack="true" PackagePath="\" />
   </ItemGroup>
-  
+
   <ItemGroup>
     <None Update="Function.FromCallback.tt">
       <Generator>TextTemplatingFileGenerator</Generator>