public bool Remove(
	Certificate cert
)

Public Function Remove ( 
	cert As Certificate
) As Boolean

// To use the code below, import MailBee namespace at the top of your code
using MailBee.Security;

// The actual code (put it into a method of your class)

CertificateStore store = new CertificateStore(@"C:\Temp\certificate.pfx", CertStoreType.PfxFile, "password");
CertificateCollection col = store.GetAllCertificates();

// Remove all certificates which don't have any private key
for (int i = col.Count - 1; i >= 0 ; i--)
{
    if (!col[i].HasPrivateKey)
    {
        col.Remove(col[i]);
    }
}
// Save changes to disk
if (col.Count > 0)
{
    CertificateStore newStore = new CertificateStore();
    newStore.AddCertificates(col, true);
    newStore.SaveToFile(@"C:\Temp\private.sst", CertStoreFileType.Sst, null);
}

' To use the code below, import MailBee namespace at the top of your code
Imports MailBee.Security

' The actual code (put it into a method of your class)

Dim store As CertificateStore = New CertificateStore("C:\Temp\certificate.pfx", CertStoreType.PfxFile, "password")
Dim col As CertificateCollection = store.GetAllCertificates()

' Remove all certificates that do not have any private key
For i As Integer = col.Count - 1 To 0 Step -1
    If Not col(i).HasPrivateKey Then
        col.Remove(col(i))
    End If
Next

' Save changes to disk
If col.Count > 0 Then
    Dim newStore As CertificateStore = New CertificateStore
    newStore.AddCertificates(col, True)
    newStore.SaveToFile("C:\Temp\private.sst", CertStoreFileType.Sst, Nothing)
End If