diff --git a/biscuit/CMakeLists.txt b/biscuit/CMakeLists.txt
index edf3c5b..2af6033 100644
--- a/biscuit/CMakeLists.txt
+++ b/biscuit/CMakeLists.txt
@@ -32,7 +32,6 @@ elseif (${ARCH} STREQUAL aarch64)
     else()
         set(PREFIX          aarch64-elf-)
     endif ()
-    set(LINK_FLAGS          "-Ttext 0xffff000000000000")
 else()
     message("Unsupported arch: ${ARCH}")
 endif ()
diff --git a/rust/targets/aarch64-rcore.json b/rust/targets/aarch64-rcore.json
index a4adac2..357c2e3 100644
--- a/rust/targets/aarch64-rcore.json
+++ b/rust/targets/aarch64-rcore.json
@@ -13,11 +13,6 @@
   "linker": "rust-lld",
   "linker-flavor": "ld.lld",
   "linker-is-gnu": true,
-  "pre-link-args": {
-    "ld.lld": [
-      "--image-base=0xffff000000000000"
-    ]
-  },
   "llvm-target": "aarch64-unknown-none",
   "no-compiler-rt": true,
   "features": "+a53,+strict-align,-neon",
diff --git a/ucore/CMakeLists.txt b/ucore/CMakeLists.txt
index ee594b1..8515ec7 100644
--- a/ucore/CMakeLists.txt
+++ b/ucore/CMakeLists.txt
@@ -40,7 +40,6 @@ elseif (${ARCH} STREQUAL aarch64)
         set(PREFIX          aarch64-elf-)
     endif ()
     set(CMAKE_C_FLAGS       "-mgeneral-regs-only")
-    set(LINK_FLAGS          "-Ttext 0xffff000000000000")
 else()
     message("Unsupported arch: ${ARCH}")
 endif ()