diff --git a/include/internal/cef_types.h b/include/internal/cef_types.h
index 7f38957c0..5bac44a84 100644
--- a/include/internal/cef_types.h
+++ b/include/internal/cef_types.h
@@ -151,14 +151,6 @@ typedef struct _cef_settings_t {
   ///
   size_t size;
 
-  ///
-  // Set to true (1) to use a single process for the browser and renderer. This
-  // run mode is not officially supported by Chromium and is less stable than
-  // the multi-process default. Also configurable using the "single-process"
-  // command-line switch.
-  ///
-  int single_process;
-
   ///
   // Set to true (1) to disable the sandbox for sub-processes. See
   // cef_sandbox_win.h for requirements to enable the sandbox on Windows. Also
diff --git a/include/internal/cef_types_wrappers.h b/include/internal/cef_types_wrappers.h
index 147926e90..bb539fe00 100644
--- a/include/internal/cef_types_wrappers.h
+++ b/include/internal/cef_types_wrappers.h
@@ -539,7 +539,6 @@ struct CefSettingsTraits {
   static inline void set(const struct_type* src,
                          struct_type* target,
                          bool copy) {
-    target->single_process = src->single_process;
     target->no_sandbox = src->no_sandbox;
     cef_string_set(src->browser_subprocess_path.str,
                    src->browser_subprocess_path.length,
diff --git a/libcef/common/main_delegate.cc b/libcef/common/main_delegate.cc
index f0043a40a..dc4641803 100644
--- a/libcef/common/main_delegate.cc
+++ b/libcef/common/main_delegate.cc
@@ -320,9 +320,6 @@ bool CefMainDelegate::BasicStartupComplete(int* exit_code) {
       const_cast<base::CommandLine::SwitchMap*>(&map)->clear();
     }
 
-    if (settings.single_process)
-      command_line->AppendSwitch(switches::kSingleProcess);
-
     bool no_sandbox = settings.no_sandbox ? true : false;
 
     if (settings.browser_subprocess_path.length > 0) {