diff --git a/src/libraries/System.Data.Odbc/src/Common/System/Data/Common/SafeNativeMethods.cs b/src/libraries/System.Data.Odbc/src/Common/System/Data/Common/SafeNativeMethods.cs
deleted file mode 100644
index cf868366882b0..0000000000000
--- a/src/libraries/System.Data.Odbc/src/Common/System/Data/Common/SafeNativeMethods.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-namespace System.Data
-{
-    internal static partial class SafeNativeMethods
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        internal static unsafe void ZeroMemory(IntPtr ptr, int length)
-        {
-#if !NET7_0_OR_GREATER
-            new Span<byte>((void*)ptr, length).Clear();
-#else
-            NativeMemory.Clear((void*)ptr, (uint)length);
-#endif
-        }
-    }
-}
diff --git a/src/libraries/System.Data.Odbc/src/Common/System/Data/ProviderBase/DbBuffer.cs b/src/libraries/System.Data.Odbc/src/Common/System/Data/ProviderBase/DbBuffer.cs
index 01be49419818a..541f1516eff59 100644
--- a/src/libraries/System.Data.Odbc/src/Common/System/Data/ProviderBase/DbBuffer.cs
+++ b/src/libraries/System.Data.Odbc/src/Common/System/Data/ProviderBase/DbBuffer.cs
@@ -16,6 +16,8 @@ internal abstract class DbBuffer : SafeHandle
 
         protected unsafe DbBuffer(int initialSize) : base(IntPtr.Zero, true)
         {
+            Debug.Assert(initialSize % IntPtr.Size == 0, $"Expected aligned {nameof(initialSize)}.");
+
             if (0 < initialSize)
             {
                 _bufferLength = initialSize;
@@ -627,7 +629,7 @@ internal unsafe void WriteSingle(int offset, float value)
             WriteInt32(offset, BitConverter.SingleToInt32Bits(value));
         }
 
-        internal void ZeroMemory()
+        internal unsafe void ZeroMemory()
         {
             bool mustRelease = false;
 
@@ -636,7 +638,7 @@ internal void ZeroMemory()
                 DangerousAddRef(ref mustRelease);
 
                 IntPtr ptr = DangerousGetHandle();
-                SafeNativeMethods.ZeroMemory(ptr, Length);
+                Unsafe.InitBlock((void*)ptr, 0, (uint)Length);
             }
             finally
             {
diff --git a/src/libraries/System.Data.Odbc/src/System.Data.Odbc.csproj b/src/libraries/System.Data.Odbc/src/System.Data.Odbc.csproj
index 56bcf649fcd4b..0bcb60c92da19 100644
--- a/src/libraries/System.Data.Odbc/src/System.Data.Odbc.csproj
+++ b/src/libraries/System.Data.Odbc/src/System.Data.Odbc.csproj
@@ -42,7 +42,6 @@ System.Data.Odbc.OdbcTransaction</PackageDescription>
     <Compile Include="$(CommonPath)System\Data\Common\NameValuePair.cs"
              Link="Common\System\Data\Common\NameValuePair.cs" />
     <Compile Include="Common\System\Data\Common\NameValuePermission.cs" />
-    <Compile Include="Common\System\Data\Common\SafeNativeMethods.cs" />
     <Compile Include="Common\System\Data\DataStorage.cs" />
     <Compile Include="Common\System\Data\ProviderBase\DbBuffer.cs" />
     <Compile Include="$(CommonPath)System\Data\Common\FieldNameLookup.cs"