diff --git a/compiler/llvmutil/llvm.go b/compiler/llvmutil/llvm.go
index 061bee6c9..9295c4409 100644
--- a/compiler/llvmutil/llvm.go
+++ b/compiler/llvmutil/llvm.go
@@ -218,7 +218,7 @@ func Version() int {
 	return major
 }
 
-// Return the byte order for the given target triple. Most targets are little
+// ByteOrder returns the byte order for the given target triple. Most targets are little
 // endian, but for example MIPS can be big-endian.
 func ByteOrder(target string) binary.ByteOrder {
 	if strings.HasPrefix(target, "mips-") {
diff --git a/src/os/file_unix.go b/src/os/file_unix.go
index 9dc3a91e0..17d26e166 100644
--- a/src/os/file_unix.go
+++ b/src/os/file_unix.go
@@ -12,7 +12,6 @@ package os
 import (
 	"io"
 	"syscall"
-	_ "unsafe"
 )
 
 const DevNull = "/dev/null"
diff --git a/src/reflect/value.go b/src/reflect/value.go
index cf186c2ce..a7e4787c6 100644
--- a/src/reflect/value.go
+++ b/src/reflect/value.go
@@ -81,8 +81,8 @@ func (it *MapIter) Next() bool {
 	return ((*reflectlite.MapIter)(it)).Next()
 }
 
-func (iter *MapIter) Reset(v Value) {
-	(*reflectlite.MapIter)(iter).Reset(v.Value)
+func (it *MapIter) Reset(v Value) {
+	(*reflectlite.MapIter)(it).Reset(v.Value)
 }
 
 func (v Value) Set(x Value) {