diff --git a/src/PDFtoImage/Internals/NativeMethods.cs b/src/PDFtoImage/Internals/NativeMethods.cs
index 5e191e53..7e35d21e 100644
--- a/src/PDFtoImage/Internals/NativeMethods.cs
+++ b/src/PDFtoImage/Internals/NativeMethods.cs
@@ -278,7 +278,8 @@ private static int FPDF_GetBlock(IntPtr param, uint position, IntPtr buffer, uin
 
         private static partial class Imports
         {
-#if NET7_0_OR_GREATER && !WASM
+            // LibraryImport is not supported by Blazor WebAssembly
+#if NET7_0_OR_GREATER && FALSE
             [LibraryImport("pdfium")]
             [UnmanagedCallConv(CallConvs = [typeof(CallConvCdecl)])]
             public static partial void FPDF_InitLibrary();
@@ -383,6 +384,9 @@ private static partial class Imports
             [UnmanagedCallConv(CallConvs = [typeof(CallConvCdecl)])]
             public static partial IntPtr FPDFDOC_InitFormFillEnvironment(IntPtr document, FPDF_FORMFILLINFO formInfo);
 #else
+#if NET7_0_OR_GREATER
+#pragma warning disable SYSLIB1054
+#endif
             [DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
             public static extern void FPDF_InitLibrary();
 
@@ -456,13 +460,16 @@ private static partial class Imports
             public static extern void FPDF_RemoveFormFieldHighlight(IntPtr form);
 
             [DllImport("pdfium", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
-#if NET6_0
+#if NET6_0_OR_GREATER
             [System.Diagnostics.CodeAnalysis.SuppressMessage("Globalization", "CA2101:Specify marshalling for P/Invoke string arguments")]
 #endif
             public static extern IntPtr FPDF_LoadCustomDocument(FPDF_FILEACCESS access, string? password);
 
             [DllImport("pdfium", CallingConvention = CallingConvention.Cdecl)]
             public static extern IntPtr FPDFDOC_InitFormFillEnvironment(IntPtr document, FPDF_FORMFILLINFO formInfo);
+#if NET7_0_OR_GREATER
+#pragma warning restore SYSLIB1054
+#endif
 #endif
         }
 
diff --git a/src/WebConverter/WebConverter.csproj b/src/WebConverter/WebConverter.csproj
index 728fcfad..0d017a30 100644
--- a/src/WebConverter/WebConverter.csproj
+++ b/src/WebConverter/WebConverter.csproj
@@ -22,7 +22,6 @@
     <Features>strict</Features>
     <WarningsAsErrors>nullable</WarningsAsErrors>
     <NoWarn>CA1416</NoWarn>
-    <DefineConstants>$(DefineConstants);WASM</DefineConstants>
   </PropertyGroup>
 
   <!-- Debug builds -->