diff --git a/src/runtime/internal/sys/arch_386.go b/src/runtime/internal/sys/arch_386.go
index 15c8e840eb8..1f1c704f9aa 100644
--- a/src/runtime/internal/sys/arch_386.go
+++ b/src/runtime/internal/sys/arch_386.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint32
-type Intptr int32 // TODO(rsc): remove
diff --git a/src/runtime/internal/sys/arch_amd64.go b/src/runtime/internal/sys/arch_amd64.go
index bc9002cc713..80fff557f25 100644
--- a/src/runtime/internal/sys/arch_amd64.go
+++ b/src/runtime/internal/sys/arch_amd64.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint64
-type Intptr int64 // TODO(rsc): remove
diff --git a/src/runtime/internal/sys/arch_amd64p32.go b/src/runtime/internal/sys/arch_amd64p32.go
index d7c185f1680..ca29f698a23 100644
--- a/src/runtime/internal/sys/arch_amd64p32.go
+++ b/src/runtime/internal/sys/arch_amd64p32.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint64
-type Intptr int32 // TODO(rsc): remove
diff --git a/src/runtime/internal/sys/arch_arm.go b/src/runtime/internal/sys/arch_arm.go
index d395ac5fa8a..b185e8fb698 100644
--- a/src/runtime/internal/sys/arch_arm.go
+++ b/src/runtime/internal/sys/arch_arm.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint32
-type Intptr int32 // TODO(rsc): remove
diff --git a/src/runtime/internal/sys/arch_arm64.go b/src/runtime/internal/sys/arch_arm64.go
index bd7e41d97eb..b63a7a6f9a2 100644
--- a/src/runtime/internal/sys/arch_arm64.go
+++ b/src/runtime/internal/sys/arch_arm64.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint64
-type Intptr int64 // TODO(rsc): remove
diff --git a/src/runtime/internal/sys/arch_mips64.go b/src/runtime/internal/sys/arch_mips64.go
index 6fa0f5ee743..5b933d4e1a9 100644
--- a/src/runtime/internal/sys/arch_mips64.go
+++ b/src/runtime/internal/sys/arch_mips64.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint64
-type Intptr int64 // TODO(rsc): remove
diff --git a/src/runtime/internal/sys/arch_mips64le.go b/src/runtime/internal/sys/arch_mips64le.go
index 92b35ad65b4..ce2e98b19f0 100644
--- a/src/runtime/internal/sys/arch_mips64le.go
+++ b/src/runtime/internal/sys/arch_mips64le.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint64
-type Intptr int64 // TODO(rsc): remove
diff --git a/src/runtime/internal/sys/arch_ppc64.go b/src/runtime/internal/sys/arch_ppc64.go
index 9b13415dfce..fca31c28d0f 100644
--- a/src/runtime/internal/sys/arch_ppc64.go
+++ b/src/runtime/internal/sys/arch_ppc64.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint64
-type Intptr int64 // TODO(rsc): remove
diff --git a/src/runtime/internal/sys/arch_ppc64le.go b/src/runtime/internal/sys/arch_ppc64le.go
index db9b2aa32b0..586a954a0c2 100644
--- a/src/runtime/internal/sys/arch_ppc64le.go
+++ b/src/runtime/internal/sys/arch_ppc64le.go
@@ -16,4 +16,3 @@ const (
 )
 
 type Uintreg uint64
-type Intptr int64 // TODO(rsc): remove