diff --git a/src/google/protobuf/compiler/main.cc b/src/google/protobuf/compiler/main.cc
index dbf8d89..bee5b10 100644
--- a/src/google/protobuf/compiler/main.cc
+++ b/src/google/protobuf/compiler/main.cc
@@ -8,16 +8,9 @@
 #include "absl/log/initialize.h"
 #include "google/protobuf/compiler/command_line_interface.h"
 #include "google/protobuf/compiler/cpp/generator.h"
-#include "google/protobuf/compiler/csharp/csharp_generator.h"
 #include "google/protobuf/compiler/java/generator.h"
-#include "google/protobuf/compiler/kotlin/generator.h"
-#include "google/protobuf/compiler/objectivec/generator.h"
-#include "google/protobuf/compiler/php/php_generator.h"
 #include "google/protobuf/compiler/python/generator.h"
 #include "google/protobuf/compiler/python/pyi_generator.h"
-#include "google/protobuf/compiler/ruby/rbs_generator.h"
-#include "google/protobuf/compiler/ruby/ruby_generator.h"
-#include "google/protobuf/compiler/rust/generator.h"
 #ifdef GOOGLE_PROTOBUF_RUNTIME_INCLUDE_BASE
 #include "google/protobuf/compiler/code_generator_lite.h"
 #endif
@@ -66,12 +59,6 @@ int ProtobufMain(int argc, char* argv[]) {
   cli.RegisterGenerator("--java_out", "--java_opt", &java_generator,
                         "Generate Java source file.");
 
-  // Proto2 Kotlin
-  kotlin::KotlinGenerator kt_generator;
-  cli.RegisterGenerator("--kotlin_out", "--kotlin_opt", &kt_generator,
-                        "Generate Kotlin file.");
-
-
   // Proto2 Python
   python::Generator py_generator;
   cli.RegisterGenerator("--python_out", "--python_opt", &py_generator,
@@ -86,34 +73,6 @@ int ProtobufMain(int argc, char* argv[]) {
   cli.RegisterGenerator("--pyi_out", &pyi_generator,
                         "Generate python pyi stub.");
 
-  // PHP
-  php::Generator php_generator;
-  cli.RegisterGenerator("--php_out", "--php_opt", &php_generator,
-                        "Generate PHP source file.");
-
-  // Ruby
-  ruby::Generator rb_generator;
-  cli.RegisterGenerator("--ruby_out", "--ruby_opt", &rb_generator,
-                        "Generate Ruby source file.");
-
-  ruby::RBSGenerator rbs_generator;
-  cli.RegisterGenerator("--rbs_out", "--rbs_opt", &rbs_generator,
-                        "Generate RBS type definition.");
-
-  // CSharp
-  csharp::Generator csharp_generator;
-  cli.RegisterGenerator("--csharp_out", "--csharp_opt", &csharp_generator,
-                        "Generate C# source file.");
-
-  // Objective-C
-  objectivec::ObjectiveCGenerator objc_generator;
-  cli.RegisterGenerator("--objc_out", "--objc_opt", &objc_generator,
-                        "Generate Objective-C header and source.");
-
-  // Rust
-  rust::RustGenerator rust_generator;
-  cli.RegisterGenerator("--rust_out", "--rust_opt", &rust_generator,
-                        "Generate Rust sources.");
 #ifdef DISABLE_PROTOC_CONFIG
   auto cleanup = internal::DisableAllowlistInternalOnly();
 #endif  // DISABLE_PROTOC_CONFIG