diff --git a/library/axi_fifo2s/axi_fifo2s_constr.xdc b/library/axi_fifo2s/axi_fifo2s_constr.xdc
index 2e760eb84..e7ba7f13f 100644
--- a/library/axi_fifo2s/axi_fifo2s_constr.xdc
+++ b/library/axi_fifo2s/axi_fifo2s_constr.xdc
@@ -1,6 +1,13 @@
 
-set_clock_groups -asynchronous -group [get_clocks -of_objects [get_ports m_clk]]
-set_clock_groups -asynchronous -group [get_clocks -of_objects [get_ports axi_clk]]
+set_false_path -from [get_cells *dma_*_m* -hierarchical -filter {PRIMITIVE_SUBGROUP == flop}] \
+  -to [get_cells *axi_*_m* -hierarchical -filter {PRIMITIVE_SUBGROUP == flop}]
+set_false_path -from [get_cells *axi_*_m* -hierarchical -filter {PRIMITIVE_SUBGROUP == flop}] \
+  -to [get_cells *dma_*_m* -hierarchical -filter {PRIMITIVE_SUBGROUP == flop}]
+
+set_false_path -from [get_cells *adc_*_m* -hierarchical -filter {PRIMITIVE_SUBGROUP == flop}] \
+  -to [get_cells *axi_*_m* -hierarchical -filter {PRIMITIVE_SUBGROUP == flop}]
+set_false_path -from [get_cells *axi_*_m* -hierarchical -filter {PRIMITIVE_SUBGROUP == flop}] \
+  -to [get_cells *adc_*_m* -hierarchical -filter {PRIMITIVE_SUBGROUP == flop}]