diff --git a/src/go/build/deps_test.go b/src/go/build/deps_test.go
index b7d720a498..893fc6001c 100644
--- a/src/go/build/deps_test.go
+++ b/src/go/build/deps_test.go
@@ -42,7 +42,7 @@ var depsRules = `
 	< constraints, container/list, container/ring,
 	  internal/cfg, internal/coverage, internal/coverage/rtcov,
 	  internal/coverage/uleb128, internal/coverage/calloc,
-      internal/cpu, internal/goarch,
+	  internal/cpu, internal/goarch,
 	  internal/goexperiment, internal/goos,
 	  internal/goversion, internal/nettrace, internal/platform,
 	  unicode/utf8, unicode/utf16, unicode,
@@ -54,7 +54,7 @@ var depsRules = `
 
 	# RUNTIME is the core runtime group of packages, all of them very light-weight.
 	internal/abi, internal/cpu, internal/goarch,
-    internal/coverage/rtcov, internal/goexperiment, internal/goos, unsafe
+	internal/coverage/rtcov, internal/goexperiment, internal/goos, unsafe
 	< internal/bytealg
 	< internal/itoa
 	< internal/unsafeheader
@@ -554,48 +554,48 @@ var depsRules = `
 	FMT
 	< internal/diff, internal/txtar;
 
-    FMT, os
-    < internal/coverage/slicewriter;
+	FMT, os
+	< internal/coverage/slicewriter;
 
-    encoding/binary, internal/unsafeheader, unsafe
-    < internal/coverage/slicereader;
+	encoding/binary, internal/unsafeheader, unsafe
+	< internal/coverage/slicereader;
 
-    FMT, math, internal/coverage
-    < internal/coverage/cmerge;
+	FMT, math, internal/coverage
+	< internal/coverage/cmerge;
 
-    FMT, math, internal/coverage, internal/coverage/cmerge, text/tabwriter
-    < internal/coverage/cformat;
+	FMT, math, internal/coverage, internal/coverage/cmerge, text/tabwriter
+	< internal/coverage/cformat;
 
-    FMT, io, internal/coverage/slicereader, internal/coverage/uleb128
-    < internal/coverage/stringtab;
+	FMT, io, internal/coverage/slicereader, internal/coverage/uleb128
+	< internal/coverage/stringtab;
 
-    FMT, encoding/binary, internal/coverage, internal/coverage/stringtab,
-    io, os, bufio, crypto/md5
-    < internal/coverage/encodemeta;
+	FMT, encoding/binary, internal/coverage, internal/coverage/stringtab,
+	io, os, bufio, crypto/md5
+	< internal/coverage/encodemeta;
 
-    FMT, bufio, encoding/binary, internal/coverage,
-    internal/coverage/stringtab, internal/coverage/slicewriter, os, unsafe
-    < internal/coverage/encodecounter;
+	FMT, bufio, encoding/binary, internal/coverage,
+	internal/coverage/stringtab, internal/coverage/slicewriter, os, unsafe
+	< internal/coverage/encodecounter;
 
-    FMT, encoding/binary, internal/coverage, io, os,
-    internal/coverage/slicereader, internal/coverage/stringtab
-    < internal/coverage/decodecounter;
+	FMT, encoding/binary, internal/coverage, io, os,
+	internal/coverage/slicereader, internal/coverage/stringtab
+	< internal/coverage/decodecounter;
 
-    FMT, encoding/binary, internal/coverage, io, os,
-    crypto/md5, internal/coverage/stringtab
-    < internal/coverage/decodemeta;
+	FMT, encoding/binary, internal/coverage, io, os,
+	crypto/md5, internal/coverage/stringtab
+	< internal/coverage/decodemeta;
 
-    FMT, internal/coverage, os,
-    path/filepath, regexp, sort, strconv
-    < internal/coverage/pods;
+	FMT, internal/coverage, os,
+	path/filepath, regexp, sort, strconv
+	< internal/coverage/pods;
 
-    FMT, bufio, crypto/md5, encoding/binary, runtime/debug,
-    internal/coverage, internal/coverage/cmerge,
-    internal/coverage/cformat, internal/coverage/calloc,
-    internal/coverage/decodecounter, internal/coverage/decodemeta,
-    internal/coverage/encodecounter, internal/coverage/encodemeta,
-    internal/coverage/pods, os, path/filepath, reflect, time, unsafe
-    < runtime/coverage;
+	FMT, bufio, crypto/md5, encoding/binary, runtime/debug,
+	internal/coverage, internal/coverage/cmerge,
+	internal/coverage/cformat, internal/coverage/calloc,
+	internal/coverage/decodecounter, internal/coverage/decodemeta,
+	internal/coverage/encodecounter, internal/coverage/encodemeta,
+	internal/coverage/pods, os, path/filepath, reflect, time, unsafe
+	< runtime/coverage;
 `
 
 // listStdPkgs returns the same list of packages as "go list std".