diff --git a/projects/ad9467_fmc/kc705/system_constr.xdc b/projects/ad9467_fmc/kc705/system_constr.xdc
index 8406a49fe..dcdcd551a 100644
--- a/projects/ad9467_fmc/kc705/system_constr.xdc
+++ b/projects/ad9467_fmc/kc705/system_constr.xdc
@@ -32,6 +32,3 @@ set_property -dict {PACKAGE_PIN Y30     IOSTANDARD LVCMOS25} [get_ports spi_sdio
 # clocks
 create_clock -name adc_clk      -period 4.00 [get_ports adc_clk_in_p]
 
-set_clock_groups -asynchronous  -group {adc_clk}
-
-
diff --git a/projects/ad9467_fmc/zed/system_constr.xdc b/projects/ad9467_fmc/zed/system_constr.xdc
index 444a99fed..8b1d5c7d3 100644
--- a/projects/ad9467_fmc/zed/system_constr.xdc
+++ b/projects/ad9467_fmc/zed/system_constr.xdc
@@ -32,6 +32,3 @@ set_property -dict {PACKAGE_PIN A21     IOSTANDARD LVCMOS25} [get_ports spi_sdio
 # clocks
 create_clock -name adc_clk      -period 4.00 [get_ports adc_clk_in_p]
 
-set_clock_groups -asynchronous  -group {adc_clk}
-
-