diff --git a/src/cmd/compile/internal/gc/bexport.go b/src/cmd/compile/internal/gc/bexport.go
index 9c1ccd87a1..a43158d14b 100644
--- a/src/cmd/compile/internal/gc/bexport.go
+++ b/src/cmd/compile/internal/gc/bexport.go
@@ -858,11 +858,9 @@ func (p *exporter) method(m *Field) {
 	p.paramList(m.Type.Results(), false)
 }
 
-// fieldName is like qualifiedName but it doesn't record the package
-// for blank (_) or exported names.
+// fieldName is like qualifiedName but it doesn't record the package for exported names.
 func (p *exporter) fieldName(t *Field) {
 	name := t.Sym.Name
-
 	if t.Embedded != 0 {
 		name = "" // anonymous field
 		if bname := basetypeName(t.Type); bname != "" && !exportname(bname) {
@@ -871,8 +869,7 @@ func (p *exporter) fieldName(t *Field) {
 		}
 	}
 	p.string(name)
-
-	if name != "_" && name != "" && !exportname(name) {
+	if name != "" && !exportname(name) {
 		p.pkg(t.Sym.Pkg)
 	}
 }
diff --git a/src/cmd/compile/internal/gc/bimport.go b/src/cmd/compile/internal/gc/bimport.go
index 0e30031f07..65c845c93a 100644
--- a/src/cmd/compile/internal/gc/bimport.go
+++ b/src/cmd/compile/internal/gc/bimport.go
@@ -590,12 +590,7 @@ func (p *importer) method() *Node {
 func (p *importer) fieldName() *Sym {
 	name := p.string()
 	pkg := localpkg
-	if name == "_" {
-		// During imports, unqualified non-exported identifiers are from builtinpkg
-		// (see parser.go:sym). The binary exporter only exports blank as a non-exported
-		// identifier without qualification.
-		pkg = builtinpkg
-	} else if name != "" && !exportname(name) {
+	if name != "" && !exportname(name) {
 		if name == "?" {
 			name = ""
 		}
diff --git a/src/go/internal/gcimporter/bimport.go b/src/go/internal/gcimporter/bimport.go
index 87701f99de..b657cc79ba 100644
--- a/src/go/internal/gcimporter/bimport.go
+++ b/src/go/internal/gcimporter/bimport.go
@@ -492,19 +492,15 @@ func (p *importer) method(parent *types.Package) *types.Func {
 }
 
 func (p *importer) fieldName(parent *types.Package) (*types.Package, string) {
+	name := p.string()
 	pkg := parent
 	if pkg == nil {
 		// use the imported package instead
 		pkg = p.pkgList[0]
 	}
-	name := p.string()
-	if name == "" {
-		return pkg, "" // anonymous
-	}
-	if name == "?" || name != "_" && !exported(name) {
-		// explicitly qualified field
+	if name != "" && !exported(name) {
 		if name == "?" {
-			name = "" // anonymous
+			name = ""
 		}
 		pkg = p.pkg()
 	}
diff --git a/test/fixedbugs/issue15514.dir/a.go b/test/fixedbugs/issue15514.dir/a.go
new file mode 100644
index 0000000000..663303b863
--- /dev/null
+++ b/test/fixedbugs/issue15514.dir/a.go
@@ -0,0 +1,7 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package a
+
+type A struct{ _ int32 }
diff --git a/test/fixedbugs/issue15514.dir/b.go b/test/fixedbugs/issue15514.dir/b.go
new file mode 100644
index 0000000000..f0750d3a44
--- /dev/null
+++ b/test/fixedbugs/issue15514.dir/b.go
@@ -0,0 +1,7 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package b
+
+func B() (_ struct{ _ int32 }) { return }
diff --git a/test/fixedbugs/issue15514.dir/c.go b/test/fixedbugs/issue15514.dir/c.go
new file mode 100644
index 0000000000..11624f9256
--- /dev/null
+++ b/test/fixedbugs/issue15514.dir/c.go
@@ -0,0 +1,10 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package c
+
+import "./a"
+import "./b"
+
+var _ a.A = b.B() // ERROR "cannot use b\.B"
diff --git a/test/fixedbugs/issue15514.go b/test/fixedbugs/issue15514.go
new file mode 100644
index 0000000000..626f7ad699
--- /dev/null
+++ b/test/fixedbugs/issue15514.go
@@ -0,0 +1,7 @@
+// errorcheckdir
+
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ignored