diff --git a/go/ast/astutil/imports.go b/go/ast/astutil/imports.go
index 070ff35d..7d793ffa 100644
--- a/go/ast/astutil/imports.go
+++ b/go/ast/astutil/imports.go
@@ -180,6 +180,7 @@ func DeleteImport(fset *token.FileSet, f *ast.File, path string) (deleted bool)
 // DeleteNamedImport deletes the import with the given name and path from the file f, if present.
 func DeleteNamedImport(fset *token.FileSet, f *ast.File, name, path string) (deleted bool) {
 	var delspecs []*ast.ImportSpec
+	var delcomments []*ast.CommentGroup
 
 	// Find the import nodes that import path, if any.
 	for i := 0; i < len(f.Decls); i++ {
@@ -216,7 +217,35 @@ func DeleteNamedImport(fset *token.FileSet, f *ast.File, name, path string) (del
 				i--
 				break
 			} else if len(gen.Specs) == 1 {
+				if impspec.Doc != nil {
+					delcomments = append(delcomments, impspec.Doc)
+				}
+				if impspec.Comment != nil {
+					delcomments = append(delcomments, impspec.Comment)
+				}
+				for _, cg := range f.Comments {
+					// Found comment on the same line as the import spec.
+					if cg.End() < impspec.Pos() && fset.Position(cg.End()).Line == fset.Position(impspec.Pos()).Line {
+						delcomments = append(delcomments, cg)
+						break
+					}
+				}
+
 				gen.Lparen = token.NoPos // drop parens
+				spec := gen.Specs[0].(*ast.ImportSpec)
+				if spec.Doc != nil {
+					// Move the documentation above the import statement.
+					gen.TokPos = spec.Doc.End() + 1
+				}
+
+				for _, cg := range f.Comments {
+					if cg.End() < spec.Pos() && fset.Position(cg.End()).Line == fset.Position(spec.Pos()).Line {
+						for fset.Position(gen.TokPos).Line != fset.Position(spec.Pos()).Line {
+							fset.File(gen.TokPos).MergeLine(fset.Position(gen.TokPos).Line)
+						}
+						break
+					}
+				}
 			}
 			if j > 0 {
 				lastImpspec := gen.Specs[j-1].(*ast.ImportSpec)
@@ -238,7 +267,7 @@ func DeleteNamedImport(fset *token.FileSet, f *ast.File, name, path string) (del
 		}
 	}
 
-	// Delete them from f.Imports.
+	// Delete imports from f.Imports.
 	for i := 0; i < len(f.Imports); i++ {
 		imp := f.Imports[i]
 		for j, del := range delspecs {
@@ -253,6 +282,21 @@ func DeleteNamedImport(fset *token.FileSet, f *ast.File, name, path string) (del
 		}
 	}
 
+	// Delete comments from f.Comments.
+	for i := 0; i < len(f.Comments); i++ {
+		cg := f.Comments[i]
+		for j, del := range delcomments {
+			if cg == del {
+				copy(f.Comments[i:], f.Comments[i+1:])
+				f.Comments = f.Comments[:len(f.Comments)-1]
+				copy(delcomments[j:], delcomments[j+1:])
+				delcomments = delcomments[:len(delcomments)-1]
+				i--
+				break
+			}
+		}
+	}
+
 	if len(delspecs) > 0 {
 		panic(fmt.Sprintf("deleted specs from Decls but not Imports: %v", delspecs))
 	}
diff --git a/go/ast/astutil/imports_test.go b/go/ast/astutil/imports_test.go
index eb00e47b..c9f80df7 100644
--- a/go/ast/astutil/imports_test.go
+++ b/go/ast/astutil/imports_test.go
@@ -923,6 +923,270 @@ import y "fmt"
 		out: `package main
 
 import y "fmt"
+`,
+	},
+	// Issue #15432
+	{
+		name: "import.19",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	"fmt"
+
+	// Some comment.
+	"io"
+)`,
+		out: `package main
+
+// Some comment.
+import "io"
+`,
+	},
+	{
+		name: "import.20",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	"fmt"
+
+	// Some
+	// comment.
+	"io"
+)`,
+		out: `package main
+
+// Some
+// comment.
+import "io"
+`,
+	},
+	{
+		name: "import.21",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	"fmt"
+
+	/*
+		Some
+		comment.
+	*/
+	"io"
+)`,
+		out: `package main
+
+/*
+	Some
+	comment.
+*/
+import "io"
+`,
+	},
+	{
+		name: "import.22",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	/* Some */
+	// comment.
+	"io"
+	"fmt"
+)`,
+		out: `package main
+
+/* Some */
+// comment.
+import "io"
+`,
+	},
+	{
+		name: "import.23",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	// comment 1
+	"fmt"
+	// comment 2
+	"io"
+)`,
+		out: `package main
+
+// comment 2
+import "io"
+`,
+	},
+	{
+		name: "import.24",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	"fmt" // comment 1
+	"io" // comment 2
+)`,
+		out: `package main
+
+import "io" // comment 2
+`,
+	},
+	{
+		name: "import.25",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	"fmt"
+	/* comment */ "io"
+)`,
+		out: `package main
+
+import /* comment */ "io"
+`,
+	},
+	{
+		name: "import.26",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	"fmt"
+	"io" /* comment */
+)`,
+		out: `package main
+
+import "io" /* comment */
+`,
+	},
+	{
+		name: "import.27",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	"fmt" /* comment */
+	"io"
+)`,
+		out: `package main
+
+import "io"
+`,
+	},
+	{
+		name: "import.28",
+		pkg:  "fmt",
+		in: `package main
+
+import (
+	/* comment */  "fmt"
+	"io"
+)`,
+		out: `package main
+
+import "io"
+`,
+	},
+	{
+		name: "import.29",
+		pkg:  "fmt",
+		in: `package main
+
+// comment 1
+import (
+	"fmt"
+	"io" // comment 2
+)`,
+		out: `package main
+
+// comment 1
+import "io" // comment 2
+`,
+	},
+	{
+		name: "import.30",
+		pkg:  "fmt",
+		in: `package main
+
+// comment 1
+import (
+	"fmt" // comment 2
+	"io"
+)`,
+		out: `package main
+
+// comment 1
+import "io"
+`,
+	},
+	{
+		name: "import.31",
+		pkg:  "fmt",
+		in: `package main
+
+// comment 1
+import (
+	"fmt"
+	/* comment 2 */ "io"
+)`,
+		out: `package main
+
+// comment 1
+import /* comment 2 */ "io"
+`,
+	},
+	{
+		name:       "import.32",
+		pkg:        "fmt",
+		renamedPkg: "f",
+		in: `package main
+
+// comment 1
+import (
+	f "fmt"
+	/* comment 2 */ i "io"
+)`,
+		out: `package main
+
+// comment 1
+import /* comment 2 */ i "io"
+`,
+	},
+	{
+		name:       "import.33",
+		pkg:        "fmt",
+		renamedPkg: "f",
+		in: `package main
+
+// comment 1
+import (
+	/* comment 2 */ f "fmt"
+	i "io"
+)`,
+		out: `package main
+
+// comment 1
+import i "io"
+`,
+	},
+	{
+		name:       "import.34",
+		pkg:        "fmt",
+		renamedPkg: "f",
+		in: `package main
+
+// comment 1
+import (
+	f "fmt" /* comment 2 */
+	i "io"
+)`,
+		out: `package main
+
+// comment 1
+import i "io"
 `,
 	},
 }