diff --git a/CHANGELOG_PENDING.md b/CHANGELOG_PENDING.md
index 503931dd8..4b3c53a4c 100644
--- a/CHANGELOG_PENDING.md
+++ b/CHANGELOG_PENDING.md
@@ -27,6 +27,7 @@ Special thanks to external contributors on this release:
 
 - Go API
 
+  - [libs/async] \#7449 Move library to internal. (@creachadair)
   - [pubsub] \#7231 Remove unbuffered subscriptions and rework the Subscription interface. (@creachadair)
   - [eventbus] \#7231 Move the EventBus type to the internal/eventbus package. (@creachadair)
   - [blocksync] \#7046 Remove v2 implementation of the blocksync service and recactor, which was disabled in the previous release. (@tychoish)
diff --git a/libs/async/async.go b/internal/libs/async/async.go
similarity index 100%
rename from libs/async/async.go
rename to internal/libs/async/async.go
diff --git a/libs/async/async_test.go b/internal/libs/async/async_test.go
similarity index 100%
rename from libs/async/async_test.go
rename to internal/libs/async/async_test.go
diff --git a/internal/p2p/conn/secret_connection.go b/internal/p2p/conn/secret_connection.go
index f67c89e5b..ad51237e4 100644
--- a/internal/p2p/conn/secret_connection.go
+++ b/internal/p2p/conn/secret_connection.go
@@ -25,8 +25,8 @@ import (
 	"github.com/tendermint/tendermint/crypto"
 	"github.com/tendermint/tendermint/crypto/ed25519"
 	"github.com/tendermint/tendermint/crypto/encoding"
+	"github.com/tendermint/tendermint/internal/libs/async"
 	"github.com/tendermint/tendermint/internal/libs/protoio"
-	"github.com/tendermint/tendermint/libs/async"
 	tmp2p "github.com/tendermint/tendermint/proto/tendermint/p2p"
 )
 
diff --git a/internal/p2p/conn/secret_connection_test.go b/internal/p2p/conn/secret_connection_test.go
index 08a7925fa..6e8db9be1 100644
--- a/internal/p2p/conn/secret_connection_test.go
+++ b/internal/p2p/conn/secret_connection_test.go
@@ -21,7 +21,7 @@ import (
 	"github.com/tendermint/tendermint/crypto"
 	"github.com/tendermint/tendermint/crypto/ed25519"
 	"github.com/tendermint/tendermint/crypto/sr25519"
-	"github.com/tendermint/tendermint/libs/async"
+	"github.com/tendermint/tendermint/internal/libs/async"
 	tmrand "github.com/tendermint/tendermint/libs/rand"
 )
 
diff --git a/privval/secret_connection.go b/privval/secret_connection.go
index 9192c3114..2bc927109 100644
--- a/privval/secret_connection.go
+++ b/privval/secret_connection.go
@@ -25,8 +25,8 @@ import (
 	"github.com/tendermint/tendermint/crypto"
 	"github.com/tendermint/tendermint/crypto/ed25519"
 	"github.com/tendermint/tendermint/crypto/encoding"
+	"github.com/tendermint/tendermint/internal/libs/async"
 	"github.com/tendermint/tendermint/internal/libs/protoio"
-	"github.com/tendermint/tendermint/libs/async"
 	tmprivval "github.com/tendermint/tendermint/proto/tendermint/privval"
 )
 
diff --git a/test/fuzz/p2p/secretconnection/read_write.go b/test/fuzz/p2p/secretconnection/read_write.go
index 9701460f5..87d547e55 100644
--- a/test/fuzz/p2p/secretconnection/read_write.go
+++ b/test/fuzz/p2p/secretconnection/read_write.go
@@ -7,8 +7,8 @@ import (
 	"log"
 
 	"github.com/tendermint/tendermint/crypto/ed25519"
+	"github.com/tendermint/tendermint/internal/libs/async"
 	sc "github.com/tendermint/tendermint/internal/p2p/conn"
-	"github.com/tendermint/tendermint/libs/async"
 )
 
 func Fuzz(data []byte) int {