diff --git a/src/reflect/export_test.go b/src/reflect/export_test.go
index e775eaf135..01749e30d8 100644
--- a/src/reflect/export_test.go
+++ b/src/reflect/export_test.go
@@ -23,8 +23,6 @@ func IsRO(v Value) bool {
 
 var CallGC = &callGC
 
-const PtrSize = goarch.PtrSize
-
 // FuncLayout calls funcLayout and returns a subset of the results for testing.
 //
 // Bitmaps like stack, gc, inReg, and outReg are expanded such that each bit
diff --git a/src/reflect/value.go b/src/reflect/value.go
index e5ad4d5cd5..d8a0b5245e 100644
--- a/src/reflect/value.go
+++ b/src/reflect/value.go
@@ -14,8 +14,6 @@ import (
 	"unsafe"
 )
 
-const ptrSize = 4 << (^uintptr(0) >> 63) // unsafe.Sizeof(uintptr(0)) but an ideal const
-
 // Value is the reflection interface to a Go value.
 //
 // Not all methods apply to all kinds of values. Restrictions,