diff --git a/BuildMacOSUniversalBinary.py b/BuildMacOSUniversalBinary.py
index bcf5ce97d6..33973393a6 100755
--- a/BuildMacOSUniversalBinary.py
+++ b/BuildMacOSUniversalBinary.py
@@ -317,8 +317,6 @@ def build(config):
                 + config[arch+"_mac_os_deployment_target"],
                 "-DMACOS_CODE_SIGNING_IDENTITY="
                 + config["codesign_identity"],
-                "-DMACOS_CODE_SIGNING_IDENTITY_UPDATER="
-                + config["codesign_identity"],
                 '-DMACOS_CODE_SIGNING="ON"',
                 "-DSTEAM="
                 + python_to_cmake_bool(config["steam"]),
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ce5d64715f..e3a33876d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -138,7 +138,6 @@ if(APPLE)
   option(MACOS_CODE_SIGNING "Enable codesigning" ON)
   option(USE_BUNDLED_MOLTENVK "Build MoltenVK from Externals with Dolphin-specific patches" ON)
   set(MACOS_CODE_SIGNING_IDENTITY "-" CACHE STRING "The identity used for codesigning.")
-  set(MACOS_CODE_SIGNING_IDENTITY_UPDATER "-" CACHE STRING "The identity used for codesigning, for the updater.")
 endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
diff --git a/Source/Core/MacUpdater/CMakeLists.txt b/Source/Core/MacUpdater/CMakeLists.txt
index 71c0408317..60abe88792 100644
--- a/Source/Core/MacUpdater/CMakeLists.txt
+++ b/Source/Core/MacUpdater/CMakeLists.txt
@@ -54,10 +54,6 @@ foreach(sb ${STORYBOARDS})
 endforeach()
 
 if(MACOS_CODE_SIGNING)
-  if (MACOS_CODE_SIGNING_IDENTITY_UPDATER STREQUAL "")
-    set(MACOS_CODE_SIGNING_IDENTITY_UPDATER "${MACOS_CODE_SIGNING_IDENTITY}")
-  endif()
-
   add_custom_command(TARGET MacUpdater POST_BUILD
-    COMMAND /usr/bin/codesign -f -s "${MACOS_CODE_SIGNING_IDENTITY_UPDATER}" --deep --options runtime $<TARGET_BUNDLE_DIR:MacUpdater>)
+    COMMAND /usr/bin/codesign -f -s "${MACOS_CODE_SIGNING_IDENTITY}" --deep --options runtime $<TARGET_BUNDLE_DIR:MacUpdater>)
 endif()