diff --git a/go.mod b/go.mod
index 0699d6f..f861aa2 100644
--- a/go.mod
+++ b/go.mod
@@ -3,36 +3,34 @@ module blitter.com/go/xs
 go 1.20
 
 require (
-	blitter.com/go/chacha20 v0.0.0-20200130200441-214e4085f54c
 	blitter.com/go/cryptmt v1.0.2
 	blitter.com/go/goutmp v1.0.6
-	blitter.com/go/groestl v0.0.0-20220410000905-c4decbf31d64
 	blitter.com/go/herradurakex v1.0.0
 	blitter.com/go/hopscotch v0.1.1
 	blitter.com/go/kyber v0.0.0-20200130200857-6f2021cb88d9
-	blitter.com/go/mtwist v1.0.1
 	blitter.com/go/newhope v0.0.0-20200130200750-192fc08a8aae
 	github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da
 	github.com/creack/pty v1.1.18
 	github.com/jameskeane/bcrypt v0.0.0-20120420032655-c3cd44c1e20f
-	github.com/klauspost/cpuid/v2 v2.2.5
-	github.com/klauspost/reedsolomon v1.11.8
 	github.com/kuking/go-frodokem v1.0.2
 	github.com/mattn/go-isatty v0.0.19
-	github.com/pkg/errors v0.9.1
-	github.com/templexxx/cpufeat v0.0.0-20180724012125-cef66df7f161
-	github.com/templexxx/xor v0.0.0-20191217153810-f85b25db303b
-	github.com/tjfoc/gmsm v1.4.1
 	github.com/xtaci/kcp-go v5.4.20+incompatible
 	golang.org/x/crypto v0.13.0
-	golang.org/x/net v0.15.0
 	golang.org/x/sys v0.12.0
-	gopkg.in/hlandau/easymetric.v1 v1.0.0
-	gopkg.in/hlandau/measurable.v1 v1.0.1
 	gopkg.in/hlandau/passlib.v1 v1.0.11
 )
 
 require (
+	blitter.com/go/chacha20 v0.0.0-20200130200441-214e4085f54c // indirect
+	blitter.com/go/mtwist v1.0.1 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
+	github.com/klauspost/reedsolomon v1.11.8 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/templexxx/cpufeat v0.0.0-20180724012125-cef66df7f161 // indirect
+	github.com/templexxx/xor v0.0.0-20191217153810-f85b25db303b // indirect
+	github.com/tjfoc/gmsm v1.4.1 // indirect
 	github.com/xtaci/lossyconn v0.0.0-20200209145036-adba10fffc37 // indirect
-	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/net v0.15.0 // indirect
+	gopkg.in/hlandau/easymetric.v1 v1.0.0 // indirect
+	gopkg.in/hlandau/measurable.v1 v1.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index a800c7a..188a92b 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,6 @@ blitter.com/go/cryptmt v1.0.2 h1:ZcLhQk7onUssXyQwG3GdXDXctCVnNL+b7aFuvwOdKXc=
 blitter.com/go/cryptmt v1.0.2/go.mod h1:tdME2J3O4agaDAYIYNQzzuB28yVGnPSMmV3a/ucSU84=
 blitter.com/go/goutmp v1.0.6 h1:jRKRw2WalVBza4T50etAfbvT2xp9G5uykIHTvyB5r0k=
 blitter.com/go/goutmp v1.0.6/go.mod h1:DnK/uLBu1/1yLFiuVlmwvWErzAWVp+pDv7t6ZaQRLNc=
-blitter.com/go/groestl v0.0.0-20220410000905-c4decbf31d64 h1:SH6cZ4JiOTmWGeVd5hCgt8gsMvfPPHWpEwNdxfsBugM=
-blitter.com/go/groestl v0.0.0-20220410000905-c4decbf31d64/go.mod h1:YMdIR/gCtFwU/a09jyWAwUu2J9CQejUFwkfD+PyVg+4=
 blitter.com/go/herradurakex v1.0.0 h1:6XaxY+JLT1HUWPF0gYJnjX3pVjrw4YhYZEzZ1U0wkyc=
 blitter.com/go/herradurakex v1.0.0/go.mod h1:m3+vYZX+2dDjdo+n/HDnXEYJX9pwmNeQLgAfJM8mtxw=
 blitter.com/go/hopscotch v0.1.1 h1:hh809THr3I52J5G5QozNhDSd+qGwXWGqLh3FJBGrp+o=
@@ -110,8 +108,6 @@ golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
-golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=