diff --git a/litex_boards/targets/ac701.py b/litex_boards/targets/ac701.py
index e6342c1..9e869a8 100755
--- a/litex_boards/targets/ac701.py
+++ b/litex_boards/targets/ac701.py
@@ -11,7 +11,6 @@ from migen import *
 from litex_boards.platforms import ac701
 
 from litex.soc.cores.clock import *
-from litex.soc.integration.soc_core import mem_decoder
 from litex.soc.integration.soc_sdram import *
 from litex.soc.integration.builder import *
 
diff --git a/litex_boards/targets/c10lprefkit.py b/litex_boards/targets/c10lprefkit.py
index 08d5dde..0338607 100755
--- a/litex_boards/targets/c10lprefkit.py
+++ b/litex_boards/targets/c10lprefkit.py
@@ -101,7 +101,7 @@ class BaseSoC(SoCSDRAM):
 
         # HyperRam ---------------------------------------------------------------------------------
         self.submodules.hyperram = HyperRAM(platform.request("hyperram"))
-        self.add_wb_slave(mem_decoder(self.mem_map["hyperram"]), self.hyperram.bus)
+        self.add_wb_slave(self.mem_map["hyperram"], self.hyperram.bus)
         self.add_memory_region("hyperram", self.mem_map["hyperram"], 8*1024*1024)
 
         # SDR SDRAM --------------------------------------------------------------------------------
diff --git a/litex_boards/targets/de10lite.py b/litex_boards/targets/de10lite.py
index e14b23f..5293c9e 100755
--- a/litex_boards/targets/de10lite.py
+++ b/litex_boards/targets/de10lite.py
@@ -12,7 +12,6 @@ from litex_boards.platforms import de10lite
 
 from litex.soc.integration.soc_sdram import *
 from litex.soc.integration.builder import *
-from litex.soc.integration.soc_core import mem_decoder
 
 from litedram.modules import IS42S16320
 from litedram.phy import GENSDRPHY
@@ -111,7 +110,7 @@ class VGASoC(BaseSoC):
 
         # create VGA terminal
         self.submodules.terminal = terminal = Terminal()
-        self.add_wb_slave(mem_decoder(self.mem_map["terminal"]), self.terminal.bus)
+        self.add_wb_slave(self.mem_map["terminal"], self.terminal.bus)
         self.add_memory_region("terminal", self.mem_map["terminal"], 0x10000)
 
         # connect VGA pins