diff --git a/thrift/compiler/generate/templates/rust/lib/errors.mustache b/thrift/compiler/generate/templates/rust/lib/errors.mustache
index 9aee9a2b37b..a9f5862838b 100644
--- a/thrift/compiler/generate/templates/rust/lib/errors.mustache
+++ b/thrift/compiler/generate/templates/rust/lib/errors.mustache
@@ -50,7 +50,7 @@ pub mod {{service:snake}} {
         {{#function:exceptions}}
         {{field:rust_name}}({{#field:type}}{{>lib/type}}{{/field:type}}),
         {{/function:exceptions}}
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -206,7 +206,7 @@ pub mod {{service:snake}} {
         {{#function:stream_exceptions}}
         {{field:rust_name}}({{#field:type}}{{>lib/type}}{{/field:type}}),
         {{/function:stream_exceptions}}
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
diff --git a/thrift/compiler/test/fixtures/basic-annotations/gen-rust/errors.rs b/thrift/compiler/test/fixtures/basic-annotations/gen-rust/errors.rs
index 40efb85f270..71d62e94756 100644
--- a/thrift/compiler/test/fixtures/basic-annotations/gen-rust/errors.rs
+++ b/thrift/compiler/test/fixtures/basic-annotations/gen-rust/errors.rs
@@ -25,7 +25,7 @@ pub mod my_service {
     #[derive(Debug)]
     pub enum PingError {
         myExcept(crate::types::MyException),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
diff --git a/thrift/compiler/test/fixtures/doctext/gen-rust/errors.rs b/thrift/compiler/test/fixtures/doctext/gen-rust/errors.rs
index 09e23f61240..cb1963fef26 100644
--- a/thrift/compiler/test/fixtures/doctext/gen-rust/errors.rs
+++ b/thrift/compiler/test/fixtures/doctext/gen-rust/errors.rs
@@ -90,7 +90,7 @@ pub mod c {
     #[derive(Debug)]
     pub enum ThingError {
         bang(crate::types::Bang),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
diff --git a/thrift/compiler/test/fixtures/exceptions/gen-rust/errors.rs b/thrift/compiler/test/fixtures/exceptions/gen-rust/errors.rs
index c196eac0e41..82a76504129 100644
--- a/thrift/compiler/test/fixtures/exceptions/gen-rust/errors.rs
+++ b/thrift/compiler/test/fixtures/exceptions/gen-rust/errors.rs
@@ -82,7 +82,7 @@ pub mod raiser {
         b(crate::types::Banal),
         f(crate::types::Fiery),
         s(crate::types::Serious),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -255,7 +255,7 @@ pub mod raiser {
         f(crate::types::Fiery),
         b(crate::types::Banal),
         s(crate::types::Serious),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
diff --git a/thrift/compiler/test/fixtures/interactions/gen-rust/errors.rs b/thrift/compiler/test/fixtures/interactions/gen-rust/errors.rs
index 7c642259c02..b89a69c7f56 100644
--- a/thrift/compiler/test/fixtures/interactions/gen-rust/errors.rs
+++ b/thrift/compiler/test/fixtures/interactions/gen-rust/errors.rs
@@ -25,7 +25,7 @@ pub mod my_interaction {
     #[derive(Debug)]
     pub enum FrobnicateError {
         ex(crate::types::CustomException),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
diff --git a/thrift/compiler/test/fixtures/rust-annotations/gen-rust/errors.rs b/thrift/compiler/test/fixtures/rust-annotations/gen-rust/errors.rs
index 833317f6d80..052578e53a7 100644
--- a/thrift/compiler/test/fixtures/rust-annotations/gen-rust/errors.rs
+++ b/thrift/compiler/test/fixtures/rust-annotations/gen-rust/errors.rs
@@ -41,7 +41,7 @@ pub mod all_methods {
     #[derive(Debug)]
     pub enum BarError {
         se(crate::types::SomeError),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -178,7 +178,7 @@ pub mod one_method {
     #[derive(Debug)]
     pub enum BarError {
         se(crate::types::SomeError),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -315,7 +315,7 @@ pub mod one_method_opt_out {
     #[derive(Debug)]
     pub enum BarError {
         se(crate::types::SomeError),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
diff --git a/thrift/compiler/test/fixtures/rust-request-context/gen-rust/errors.rs b/thrift/compiler/test/fixtures/rust-request-context/gen-rust/errors.rs
index bcf0527e2ad..9feb642c831 100644
--- a/thrift/compiler/test/fixtures/rust-request-context/gen-rust/errors.rs
+++ b/thrift/compiler/test/fixtures/rust-request-context/gen-rust/errors.rs
@@ -209,7 +209,7 @@ pub mod my_service {
     #[derive(Debug)]
     pub enum StreamByIdWithExceptionStreamError {
         e(crate::types::MyException),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
diff --git a/thrift/compiler/test/fixtures/stream/gen-rust/errors.rs b/thrift/compiler/test/fixtures/stream/gen-rust/errors.rs
index 438d4665181..7b293313392 100644
--- a/thrift/compiler/test/fixtures/stream/gen-rust/errors.rs
+++ b/thrift/compiler/test/fixtures/stream/gen-rust/errors.rs
@@ -134,7 +134,7 @@ pub mod pub_sub_streaming_service {
     #[derive(Debug)]
     pub enum StreamthrowsStreamError {
         e(crate::types::FooStreamEx),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -226,7 +226,7 @@ pub mod pub_sub_streaming_service {
     #[derive(Debug)]
     pub enum ServicethrowsError {
         e(crate::types::FooEx),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -363,7 +363,7 @@ pub mod pub_sub_streaming_service {
     pub enum Servicethrows2Error {
         e1(crate::types::FooEx),
         e2(crate::types::FooEx2),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -528,7 +528,7 @@ pub mod pub_sub_streaming_service {
     #[derive(Debug)]
     pub enum BoththrowsError {
         e(crate::types::FooEx),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -648,7 +648,7 @@ pub mod pub_sub_streaming_service {
     #[derive(Debug)]
     pub enum BoththrowsStreamError {
         e(crate::types::FooStreamEx),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -773,7 +773,7 @@ pub mod pub_sub_streaming_service {
     #[derive(Debug)]
     pub enum ResponseandstreamstreamthrowsStreamError {
         e(crate::types::FooStreamEx),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -865,7 +865,7 @@ pub mod pub_sub_streaming_service {
     #[derive(Debug)]
     pub enum ResponseandstreamservicethrowsError {
         e(crate::types::FooEx),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -1001,7 +1001,7 @@ pub mod pub_sub_streaming_service {
     #[derive(Debug)]
     pub enum ResponseandstreamboththrowsError {
         e(crate::types::FooEx),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
@@ -1121,7 +1121,7 @@ pub mod pub_sub_streaming_service {
     #[derive(Debug)]
     pub enum ResponseandstreamboththrowsStreamError {
         e(crate::types::FooStreamEx),
-        ApplicationException(::fbthrift::types::ApplicationException),
+        ApplicationException(::fbthrift::ApplicationException),
         ThriftError(::anyhow::Error),
     }
 
diff --git a/thrift/lib/rust/src/lib.rs b/thrift/lib/rust/src/lib.rs
index ebaafe9abde..30f4bac88be 100644
--- a/thrift/lib/rust/src/lib.rs
+++ b/thrift/lib/rust/src/lib.rs
@@ -67,12 +67,6 @@ mod tests;
 #[doc(hidden)]
 pub mod help;
 
-pub mod types {
-    // Define ApplicationException as if it were a normal generated type to make things simpler
-    // for codegen.
-    pub use crate::application_exception::ApplicationException;
-}
-
 pub use crate::application_exception::ApplicationException;
 pub use crate::application_exception::ApplicationExceptionErrorCode;
 pub use crate::binary_protocol::BinaryProtocol;