diff --git a/qemu/aarch64.h b/qemu/aarch64.h
index 4a320852..8a9da554 100644
--- a/qemu/aarch64.h
+++ b/qemu/aarch64.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_aarch64
 #define memory_region_set_alias_offset memory_region_set_alias_offset_aarch64
 #define memory_region_set_enabled memory_region_set_enabled_aarch64
-#define memory_region_set_global_locking memory_region_set_global_locking_aarch64
 #define memory_region_set_readonly memory_region_set_readonly_aarch64
 #define memory_region_set_size memory_region_set_size_aarch64
 #define memory_region_size memory_region_size_aarch64
diff --git a/qemu/aarch64eb.h b/qemu/aarch64eb.h
index 11292a6b..4c56c4fe 100644
--- a/qemu/aarch64eb.h
+++ b/qemu/aarch64eb.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_aarch64eb
 #define memory_region_set_alias_offset memory_region_set_alias_offset_aarch64eb
 #define memory_region_set_enabled memory_region_set_enabled_aarch64eb
-#define memory_region_set_global_locking memory_region_set_global_locking_aarch64eb
 #define memory_region_set_readonly memory_region_set_readonly_aarch64eb
 #define memory_region_set_size memory_region_set_size_aarch64eb
 #define memory_region_size memory_region_size_aarch64eb
diff --git a/qemu/arm.h b/qemu/arm.h
index 7457dfbb..80a61147 100644
--- a/qemu/arm.h
+++ b/qemu/arm.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_arm
 #define memory_region_set_alias_offset memory_region_set_alias_offset_arm
 #define memory_region_set_enabled memory_region_set_enabled_arm
-#define memory_region_set_global_locking memory_region_set_global_locking_arm
 #define memory_region_set_readonly memory_region_set_readonly_arm
 #define memory_region_set_size memory_region_set_size_arm
 #define memory_region_size memory_region_size_arm
diff --git a/qemu/armeb.h b/qemu/armeb.h
index 426af4bf..c276ce3d 100644
--- a/qemu/armeb.h
+++ b/qemu/armeb.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_armeb
 #define memory_region_set_alias_offset memory_region_set_alias_offset_armeb
 #define memory_region_set_enabled memory_region_set_enabled_armeb
-#define memory_region_set_global_locking memory_region_set_global_locking_armeb
 #define memory_region_set_readonly memory_region_set_readonly_armeb
 #define memory_region_set_size memory_region_set_size_armeb
 #define memory_region_size memory_region_size_armeb
diff --git a/qemu/header_gen.py b/qemu/header_gen.py
index 6307cc00..69ed1d06 100644
--- a/qemu/header_gen.py
+++ b/qemu/header_gen.py
@@ -2339,7 +2339,6 @@ symbols = (
     'memory_region_set_address',
     'memory_region_set_alias_offset',
     'memory_region_set_enabled',
-    'memory_region_set_global_locking',
     'memory_region_set_readonly',
     'memory_region_set_size',
     'memory_region_size',
diff --git a/qemu/include/exec/memory.h b/qemu/include/exec/memory.h
index 5046df1c..249f4c6b 100644
--- a/qemu/include/exec/memory.h
+++ b/qemu/include/exec/memory.h
@@ -726,18 +726,6 @@ bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
  */
 void memory_region_set_readonly(MemoryRegion *mr, bool readonly);
 
-/**
- * memory_region_set_global_locking: Declares the access processing requires
- *                                   QEMU's global lock.
- *
- * When this is invoked, accesses to the memory region will be processed while
- * holding the global lock of QEMU. This is the default behavior of memory
- * regions.
- *
- * @mr: the memory region to be updated.
- */
-void memory_region_set_global_locking(MemoryRegion *mr);
-
 /**
  * memory_region_clear_global_locking: Declares that access processing does
  *                                     not depend on the QEMU global lock.
diff --git a/qemu/m68k.h b/qemu/m68k.h
index 861eab4d..11e25593 100644
--- a/qemu/m68k.h
+++ b/qemu/m68k.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_m68k
 #define memory_region_set_alias_offset memory_region_set_alias_offset_m68k
 #define memory_region_set_enabled memory_region_set_enabled_m68k
-#define memory_region_set_global_locking memory_region_set_global_locking_m68k
 #define memory_region_set_readonly memory_region_set_readonly_m68k
 #define memory_region_set_size memory_region_set_size_m68k
 #define memory_region_size memory_region_size_m68k
diff --git a/qemu/memory.c b/qemu/memory.c
index 94669f96..ee3d8b97 100644
--- a/qemu/memory.c
+++ b/qemu/memory.c
@@ -1412,11 +1412,6 @@ void memory_region_set_readonly(MemoryRegion *mr, bool readonly)
     }
 }
 
-void memory_region_set_global_locking(MemoryRegion *mr)
-{
-    mr->global_locking = true;
-}
-
 void memory_region_clear_global_locking(MemoryRegion *mr)
 {
     mr->global_locking = false;
diff --git a/qemu/mips.h b/qemu/mips.h
index 455558bc..8451f47e 100644
--- a/qemu/mips.h
+++ b/qemu/mips.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_mips
 #define memory_region_set_alias_offset memory_region_set_alias_offset_mips
 #define memory_region_set_enabled memory_region_set_enabled_mips
-#define memory_region_set_global_locking memory_region_set_global_locking_mips
 #define memory_region_set_readonly memory_region_set_readonly_mips
 #define memory_region_set_size memory_region_set_size_mips
 #define memory_region_size memory_region_size_mips
diff --git a/qemu/mips64.h b/qemu/mips64.h
index 4c48e862..11b8a70e 100644
--- a/qemu/mips64.h
+++ b/qemu/mips64.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_mips64
 #define memory_region_set_alias_offset memory_region_set_alias_offset_mips64
 #define memory_region_set_enabled memory_region_set_enabled_mips64
-#define memory_region_set_global_locking memory_region_set_global_locking_mips64
 #define memory_region_set_readonly memory_region_set_readonly_mips64
 #define memory_region_set_size memory_region_set_size_mips64
 #define memory_region_size memory_region_size_mips64
diff --git a/qemu/mips64el.h b/qemu/mips64el.h
index 5e515a28..3e4fac4b 100644
--- a/qemu/mips64el.h
+++ b/qemu/mips64el.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_mips64el
 #define memory_region_set_alias_offset memory_region_set_alias_offset_mips64el
 #define memory_region_set_enabled memory_region_set_enabled_mips64el
-#define memory_region_set_global_locking memory_region_set_global_locking_mips64el
 #define memory_region_set_readonly memory_region_set_readonly_mips64el
 #define memory_region_set_size memory_region_set_size_mips64el
 #define memory_region_size memory_region_size_mips64el
diff --git a/qemu/mipsel.h b/qemu/mipsel.h
index c3803818..0cd6070a 100644
--- a/qemu/mipsel.h
+++ b/qemu/mipsel.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_mipsel
 #define memory_region_set_alias_offset memory_region_set_alias_offset_mipsel
 #define memory_region_set_enabled memory_region_set_enabled_mipsel
-#define memory_region_set_global_locking memory_region_set_global_locking_mipsel
 #define memory_region_set_readonly memory_region_set_readonly_mipsel
 #define memory_region_set_size memory_region_set_size_mipsel
 #define memory_region_size memory_region_size_mipsel
diff --git a/qemu/powerpc.h b/qemu/powerpc.h
index 74d2ba13..c307a5a0 100644
--- a/qemu/powerpc.h
+++ b/qemu/powerpc.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_powerpc
 #define memory_region_set_alias_offset memory_region_set_alias_offset_powerpc
 #define memory_region_set_enabled memory_region_set_enabled_powerpc
-#define memory_region_set_global_locking memory_region_set_global_locking_powerpc
 #define memory_region_set_readonly memory_region_set_readonly_powerpc
 #define memory_region_set_size memory_region_set_size_powerpc
 #define memory_region_size memory_region_size_powerpc
diff --git a/qemu/sparc.h b/qemu/sparc.h
index 01b358f7..ee3f6409 100644
--- a/qemu/sparc.h
+++ b/qemu/sparc.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_sparc
 #define memory_region_set_alias_offset memory_region_set_alias_offset_sparc
 #define memory_region_set_enabled memory_region_set_enabled_sparc
-#define memory_region_set_global_locking memory_region_set_global_locking_sparc
 #define memory_region_set_readonly memory_region_set_readonly_sparc
 #define memory_region_set_size memory_region_set_size_sparc
 #define memory_region_size memory_region_size_sparc
diff --git a/qemu/sparc64.h b/qemu/sparc64.h
index 613d1329..e8f48300 100644
--- a/qemu/sparc64.h
+++ b/qemu/sparc64.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_sparc64
 #define memory_region_set_alias_offset memory_region_set_alias_offset_sparc64
 #define memory_region_set_enabled memory_region_set_enabled_sparc64
-#define memory_region_set_global_locking memory_region_set_global_locking_sparc64
 #define memory_region_set_readonly memory_region_set_readonly_sparc64
 #define memory_region_set_size memory_region_set_size_sparc64
 #define memory_region_size memory_region_size_sparc64
diff --git a/qemu/x86_64.h b/qemu/x86_64.h
index ee08e59d..9743bb32 100644
--- a/qemu/x86_64.h
+++ b/qemu/x86_64.h
@@ -2333,7 +2333,6 @@
 #define memory_region_set_address memory_region_set_address_x86_64
 #define memory_region_set_alias_offset memory_region_set_alias_offset_x86_64
 #define memory_region_set_enabled memory_region_set_enabled_x86_64
-#define memory_region_set_global_locking memory_region_set_global_locking_x86_64
 #define memory_region_set_readonly memory_region_set_readonly_x86_64
 #define memory_region_set_size memory_region_set_size_x86_64
 #define memory_region_size memory_region_size_x86_64