diff --git a/README.md b/README.md
index 30a92dc8..e728969d 100644
--- a/README.md
+++ b/README.md
@@ -92,14 +92,14 @@ GDB (Back Magic Probe)
 ```
 $ mkdir build
 $ cd build
-$ cmake -DARM_NONE_EABI_TOOLCHAIN_PATH=... -DNRF5_SDK_PATH=... -DUSE_GDB_CLIENT=1 -DGDB_CLIENT_BIN_PATH=... -DGDB_CLIENT_TARGET_REMOTE=... -DMERGEHEX=... ../
+$ cmake -DARM_NONE_EABI_TOOLCHAIN_PATH=... -DNRF5_SDK_PATH=... -DUSE_GDB_CLIENT=1 -DGDB_CLIENT_BIN_PATH=... -DGDB_CLIENT_TARGET_REMOTE=... ../
 ```
 
 OpenOCD (STlink v2 clones)
 ```
 $ mkdir build
 $ cd build
-$ cmake -DARM_NONE_EABI_TOOLCHAIN_PATH=... -DNRF5_SDK_PATH=... -DUSE_OPENOCD=1 -DGDB_CLIENT_BIN_PATH=[optional] -DMERGEHEX=... ../
+$ cmake -DARM_NONE_EABI_TOOLCHAIN_PATH=... -DNRF5_SDK_PATH=... -DUSE_OPENOCD=1 -DGDB_CLIENT_BIN_PATH=[optional] ../
 ```
 
   * Make