diff --git a/riscv/mmu.cc b/riscv/mmu.cc
index 7bd353166a..0c543dedda 100644
--- a/riscv/mmu.cc
+++ b/riscv/mmu.cc
@@ -116,10 +116,6 @@ reg_t reg_from_bytes(size_t len, const uint8_t* bytes)
 
 bool mmu_t::mmio_ok(reg_t addr, access_type type)
 {
-  // Disallow access to debug region when not in debug mode
-  if (addr >= DEBUG_START && addr <= DEBUG_END && proc && !proc->state.debug_mode)
-    return false;
-
   return true;
 }