Delete all dimnames

Hello, how can I get rid of all dimnames so that:
$amat
    Var3 Var2 Var1 
8 1    1    1    1 1 1 1 1 0 0 0 0 0 0 0
7 1    1    1    0 1 0 0 0 1 0 0 0 0 0 0
6 1    1    0    1 0 1 0 0 0 1 0 0 0 0 0
5 1    1    0    0 0 0 0 0 0 0 1 0 0 0 0
4 1    0    1    1 0 0 1 0 0 0 0 1 0 0 0
3 1    0    1    0 0 0 0 0 0 0 0 0 1 0 0
2 1    0    0    1 0 0 0 0 0 0 0 0 0 1 0
1 1    0    0    0 0 0 0 0 0 0 0 0 0 0 1

is displayed with [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] in rows, and the 
same in columns. The matrix was generated using "apply"