Altera SDC and TimeQuest API - Manual (Page 64)

2–54 Chapter 2: SDC and TimeQuest API Package and Commands
sdc_ext
SDC and TimeQuest API Reference Manual © December 2009 Altera Corporation
remove_clock
Usage
remove_clock [-all] <clock_list>
Options
-all: Removes all clocks from the design
<clock_list>: Clock(s) to be removed
Description
Removes the specified clock(s) from the design.
Example
# Create a clock and then remove it.
create_clock -period 10 -name CLK [get_ports clk]
remove_clock CLK