diff --git a/lib/vector-core/src/event/mod.rs b/lib/vector-core/src/event/mod.rs
index 3b9d237339268..49c002fb2e037 100644
--- a/lib/vector-core/src/event/mod.rs
+++ b/lib/vector-core/src/event/mod.rs
@@ -14,15 +14,15 @@ use serde::{Deserialize, Serialize};
 pub use trace::TraceEvent;
 use vector_buffers::EventCount;
 use vector_common::{
-    config::ComponentKey, finalization, internal_event::TaggedEventsSent, json_size::JsonSize,
-    request_metadata::GetEventCountTags, EventDataEq,
+    byte_size_of::ByteSizeOf, config::ComponentKey, finalization, internal_event::TaggedEventsSent,
+    json_size::JsonSize, request_metadata::GetEventCountTags, EventDataEq,
 };
 pub use vrl::value::Value;
 #[cfg(feature = "vrl")]
 pub use vrl_target::{TargetEvents, VrlTarget};
 
 use crate::config::LogNamespace;
-use crate::{config::OutputId, ByteSizeOf};
+use crate::config::OutputId;
 
 pub mod array;
 pub mod discriminant;
diff --git a/lib/vector-core/src/lib.rs b/lib/vector-core/src/lib.rs
index 33b8821abf843..21d68b5084c36 100644
--- a/lib/vector-core/src/lib.rs
+++ b/lib/vector-core/src/lib.rs
@@ -51,10 +51,6 @@ use std::path::PathBuf;
 #[cfg(feature = "vrl")]
 pub use crate::vrl::compile_vrl;
 
-#[cfg(any(test, feature = "test"))]
-pub use vector_common::event_test_util;
-pub use vector_common::{byte_size_of::ByteSizeOf, internal_event};
-
 pub use event::EstimatedJsonEncodedSizeOf;
 
 #[macro_use]
diff --git a/lib/vector-core/src/transform/mod.rs b/lib/vector-core/src/transform/mod.rs
index 4083f34cc8e99..8cceefea7a2d4 100644
--- a/lib/vector-core/src/transform/mod.rs
+++ b/lib/vector-core/src/transform/mod.rs
@@ -5,8 +5,7 @@ use futures::{Stream, StreamExt};
 use vector_common::internal_event::{
     self, register, CountByteSize, EventsSent, InternalEventHandle as _, Registered, DEFAULT_OUTPUT,
 };
-use vector_common::json_size::JsonSize;
-use vector_common::EventDataEq;
+use vector_common::{byte_size_of::ByteSizeOf, json_size::JsonSize, EventDataEq};
 
 use crate::config::{ComponentKey, OutputId};
 use crate::event::EventMutRef;
@@ -17,7 +16,7 @@ use crate::{
         into_event_stream, EstimatedJsonEncodedSizeOf, Event, EventArray, EventContainer, EventRef,
     },
     fanout::{self, Fanout},
-    schema, ByteSizeOf,
+    schema,
 };
 
 #[cfg(feature = "lua")]
diff --git a/lib/vector-lib/src/lib.rs b/lib/vector-lib/src/lib.rs
index ed8ef4af9b3e5..9ffa72947f373 100644
--- a/lib/vector-lib/src/lib.rs
+++ b/lib/vector-lib/src/lib.rs
@@ -5,6 +5,8 @@ pub use file_source;
 #[cfg(feature = "api-client")]
 pub use vector_api_client as api_client;
 pub use vector_buffers as buffers;
+#[cfg(feature = "test")]
+pub use vector_common::event_test_util;
 pub use vector_common::{
     assert_event_data_eq, btreemap, byte_size_of, byte_size_of::ByteSizeOf, conversion,
     encode_logfmt, finalization, finalizer, impl_event_data_eq, internal_event, json_size,
@@ -15,8 +17,6 @@ pub use vector_config as configurable;
 pub use vector_config::impl_generate_config_from_default;
 #[cfg(feature = "vrl")]
 pub use vector_core::compile_vrl;
-#[cfg(feature = "test")]
-pub use vector_core::event_test_util;
 pub use vector_core::{
     buckets, default_data_dir, emit, event, fanout, metric_tags, metrics, partition, quantiles,
     register, samples, schema, serde, sink, source, tcp, tls, transform, update_counter,
diff --git a/lib/vector-stream/src/batcher/limiter.rs b/lib/vector-stream/src/batcher/limiter.rs
index 873c5bdd323b1..fe582d4b7a5e0 100644
--- a/lib/vector-stream/src/batcher/limiter.rs
+++ b/lib/vector-stream/src/batcher/limiter.rs
@@ -1,4 +1,4 @@
-use vector_core::ByteSizeOf;
+use vector_common::byte_size_of::ByteSizeOf;
 
 use crate::batcher::data::BatchData;
 
diff --git a/lib/vector-stream/src/driver.rs b/lib/vector-stream/src/driver.rs
index 3de357bdb134c..7a7b8386f8250 100644
--- a/lib/vector-stream/src/driver.rs
+++ b/lib/vector-stream/src/driver.rs
@@ -4,15 +4,13 @@ use futures::{poll, FutureExt, Stream, StreamExt, TryFutureExt};
 use tokio::{pin, select};
 use tower::Service;
 use tracing::Instrument;
+use vector_common::internal_event::emit;
 use vector_common::internal_event::{
     register, ByteSize, BytesSent, CallError, InternalEventHandle as _, PollReadyError, Registered,
     RegisteredEventCache, SharedString, TaggedEventsSent,
 };
 use vector_common::request_metadata::{GroupedCountByteSize, MetaDescriptive};
-use vector_core::{
-    event::{EventFinalizers, EventStatus, Finalizable},
-    internal_event::emit,
-};
+use vector_core::event::{EventFinalizers, EventStatus, Finalizable};
 
 use super::FuturesUnorderedCount;
 
diff --git a/lib/vector-stream/src/partitioned_batcher.rs b/lib/vector-stream/src/partitioned_batcher.rs
index b865216c1f764..e39746f8e7154 100644
--- a/lib/vector-stream/src/partitioned_batcher.rs
+++ b/lib/vector-stream/src/partitioned_batcher.rs
@@ -11,7 +11,8 @@ use futures::stream::{Fuse, Stream, StreamExt};
 use pin_project::pin_project;
 use tokio_util::time::{delay_queue::Key, DelayQueue};
 use twox_hash::XxHash64;
-use vector_core::{partition::Partitioner, time::KeyedTimer, ByteSizeOf};
+use vector_common::byte_size_of::ByteSizeOf;
+use vector_core::{partition::Partitioner, time::KeyedTimer};
 
 use crate::batcher::{
     config::BatchConfigParts,
diff --git a/src/app.rs b/src/app.rs
index 37247714df537..5151557f03f02 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -7,6 +7,7 @@ use futures::StreamExt;
 use futures_util::future::BoxFuture;
 use once_cell::race::OnceNonZeroUsize;
 use tokio::runtime::{self, Runtime};
+use tokio::sync::broadcast::error::RecvError;
 use tokio_stream::wrappers::UnboundedReceiverStream;
 
 #[cfg(feature = "enterprise")]
@@ -22,6 +23,7 @@ use crate::{
     cli::{handle_config_errors, LogFormat, Opts, RootOpts},
     config::{self, Config, ConfigPath},
     heartbeat,
+    internal_events::{VectorQuit, VectorStarted, VectorStopped},
     signal::{SignalHandler, SignalPair, SignalRx, SignalTo},
     topology::{
         ReloadOutcome, RunningTopology, SharedTopologyController, ShutdownErrorReceiver,
@@ -38,10 +40,6 @@ use tokio::runtime::Handle;
 
 pub static WORKER_THREADS: OnceNonZeroUsize = OnceNonZeroUsize::new();
 
-use crate::internal_events::{VectorQuit, VectorStarted, VectorStopped};
-
-use tokio::sync::broadcast::error::RecvError;
-
 pub struct ApplicationConfig {
     pub config_paths: Vec<config::ConfigPath>,
     pub topology: RunningTopology,
diff --git a/src/lib.rs b/src/lib.rs
index 4465fa3e72390..a9fffec42130d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -95,7 +95,7 @@ pub mod serde;
 #[cfg(windows)]
 pub mod service;
 pub mod signal;
-pub(crate) mod sink;
+pub(crate) mod sink_ext;
 #[allow(unreachable_pub)]
 pub mod sinks;
 pub mod source_sender;
diff --git a/src/sink.rs b/src/sink_ext.rs
similarity index 100%
rename from src/sink.rs
rename to src/sink_ext.rs
diff --git a/src/sinks/util/unix.rs b/src/sinks/util/unix.rs
index b89ece6b37a94..38cc62e2525fd 100644
--- a/src/sinks/util/unix.rs
+++ b/src/sinks/util/unix.rs
@@ -17,7 +17,7 @@ use crate::{
         ConnectionOpen, OpenGauge, SocketMode, UnixSocketConnectionEstablished,
         UnixSocketOutgoingConnectionError, UnixSocketSendError,
     },
-    sink::VecSinkExt,
+    sink_ext::VecSinkExt,
     sinks::{
         util::{
             retries::ExponentialBackoff,