[T-Mobile, Samsung Galaxy SIII] deserted1:
Clock:

File: Status_bar.xml

Remove

Line 15:

<com.android.systemui.statusbar.policy.Clock android:textAppearance="@style/TextAppearance.StatusBar.Clock" android:gravity="left|center" android:id="@id/clock" android:paddingLeft="6.0dip" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" />

File: Status_bar_expanded.xml

Remove

Line 6:

<com.android.systemui.statusbar.policy.DateView android:textAppearance="@style/TextAppearance.StatusBar.Date" android:gravity="left|center" android:id="@id/date" android:paddingLeft="16.0dip" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" android:layout_alignParentLeft="true" />

File: tw_status_bar.xml

Remove

Line 18:

<com.android.systemui.statusbar.policy.Clock android:textSize="@dimen/status_bar_clock_text_size" android:textColor="#ff959595" android:gravity="left|center" android:id="@id/clock" android:paddingLeft="3.0dip" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" android:includeFontPadding="false" />

Carrier:

Change

Line 5:

From

<com.android.systemui.statusbar.phone.CarrierLabel android:textAppearance="@style/TextAppearance.StatusBar.Clock" android:gravity="center" android:layout_gravity="bottom" android:paddingBottom="20.0dip" android:layout_width="fill_parent" android:layout_height="wrap_content" />

To

<com.android.systemui.statusbar.phone.CarrierLabel android:textAppearance="@style/TextAppearance.StatusBar.Clock" android:gravity="center" android:layout_gravity="bottom" android:paddingBottom="0.0dip" android:layout_width="0.0dip" android:layout_height="0.0dip" />

File: tw_status_bar.xml

Line 7:

From

<com.android.systemui.statusbar.phone.CarrierLabel android:gravity="center_vertical" android:id="@id/carrierLabel" android:background="#ff000000" android:paddingLeft="4.0dip" android:paddingRight="4.0dip" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" />

To

<com.android.systemui.statusbar.phone.CarrierLabel android:gravity="center_vertical" android:id="@id/carrierLabel" android:background="#ff000000" android:paddingLeft="0.0dip" android:paddingRight="0.0dip" android:layout_width="0.0dip" android:layout_height="0.0dip" android:singleLine="true" />

File: tw_status_bar_expanded.xml

Change

Line 14:

From

<com.android.systemui.statusbar.phone.CarrierLabel android:textSize="@dimen/status_bar_expanded_plmn_text_size" android:textColor="#ffd7d7d7" android:ellipsize="marquee" android:paddingLeft="11.0dip" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toLeftOf="@id/date" android:layout_alignParentLeft="true" android:layout_centerVertical="true" />

To

<com.android.systemui.statusbar.phone.CarrierLabel android:textSize="@dimen/status_bar_expanded_plmn_text_size" android:textColor="#ffd7d7d7" android:ellipsize="marquee" android:paddingLeft="0.0dip" android:layout_width="0.0dip" android:layout_height="0.0dip" android:layout_toLeftOf="@id/date" android:layout_alignParentLeft="true" android:layout_centerVertical="true" />