diff --git a/pdata/plog/encoding.go b/pdata/plog/encoding.go
index 8f17d95b3b1..a03660dd939 100644
--- a/pdata/plog/encoding.go
+++ b/pdata/plog/encoding.go
@@ -14,9 +14,6 @@
 
 package plog // import "go.opentelemetry.io/collector/pdata/plog"
 
-// Deprecated: [v0.60.0] use MarshalSizer.
-type MarshalerSizer = MarshalSizer
-
 // MarshalSizer is the interface that groups the basic Marshal and Size methods
 type MarshalSizer interface {
 	Marshaler
diff --git a/pdata/pmetric/encoding.go b/pdata/pmetric/encoding.go
index 872dd3a894c..5b9e0327355 100644
--- a/pdata/pmetric/encoding.go
+++ b/pdata/pmetric/encoding.go
@@ -14,9 +14,6 @@
 
 package pmetric // import "go.opentelemetry.io/collector/pdata/pmetric"
 
-// Deprecated: [v0.60.0] use MarshalSizer.
-type MarshalerSizer = MarshalSizer
-
 // MarshalSizer is the interface that groups the basic Marshal and Size methods
 type MarshalSizer interface {
 	Marshaler
diff --git a/pdata/ptrace/encoding.go b/pdata/ptrace/encoding.go
index 05be6594b7b..78c2fba7cb8 100644
--- a/pdata/ptrace/encoding.go
+++ b/pdata/ptrace/encoding.go
@@ -14,9 +14,6 @@
 
 package ptrace // import "go.opentelemetry.io/collector/pdata/ptrace"
 
-// Deprecated: [v0.60.0] use MarshalSizer.
-type MarshalerSizer = MarshalSizer
-
 // MarshalSizer is the interface that groups the basic Marshal and Size methods
 type MarshalSizer interface {
 	Marshaler