diff --git a/dh/sidh/internal/p434/arith_amd64_test.go b/dh/sidh/internal/p434/arith_amd64_test.go
index 9ae0549..c479bf7 100644
--- a/dh/sidh/internal/p434/arith_amd64_test.go
+++ b/dh/sidh/internal/p434/arith_amd64_test.go
@@ -10,7 +10,7 @@ import (
 	"testing"
 	"testing/quick"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 	"golang.org/x/sys/cpu"
 )
 
diff --git a/dh/sidh/internal/p434/arith_decl.go b/dh/sidh/internal/p434/arith_decl.go
index 7c9c415..dd1662a 100644
--- a/dh/sidh/internal/p434/arith_decl.go
+++ b/dh/sidh/internal/p434/arith_decl.go
@@ -6,7 +6,7 @@
 package p434
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // If choice = 0, leave x,y unchanged. If choice = 1, set x,y = y,x.
diff --git a/dh/sidh/internal/p434/arith_generic.go b/dh/sidh/internal/p434/arith_generic.go
index 68be920..028012f 100644
--- a/dh/sidh/internal/p434/arith_generic.go
+++ b/dh/sidh/internal/p434/arith_generic.go
@@ -8,7 +8,7 @@ package p434
 import (
 	"math/bits"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Compute z = x + y (mod p).
diff --git a/dh/sidh/internal/p434/arith_test.go b/dh/sidh/internal/p434/arith_test.go
index c9f1a6a..9a094ae 100644
--- a/dh/sidh/internal/p434/arith_test.go
+++ b/dh/sidh/internal/p434/arith_test.go
@@ -6,7 +6,7 @@ package p434
 import (
 	"testing"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Package-level storage for this field element is intended to deter
diff --git a/dh/sidh/internal/p434/core.go b/dh/sidh/internal/p434/core.go
index 1e5c3a2..5b77af5 100644
--- a/dh/sidh/internal/p434/core.go
+++ b/dh/sidh/internal/p434/core.go
@@ -4,7 +4,7 @@
 package p434
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // -----------------------------------------------------------------------------
diff --git a/dh/sidh/internal/p434/curve.go b/dh/sidh/internal/p434/curve.go
index aa02553..c36a6c9 100644
--- a/dh/sidh/internal/p434/curve.go
+++ b/dh/sidh/internal/p434/curve.go
@@ -4,7 +4,7 @@
 package p434
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Stores isogeny 3 curve constants
diff --git a/dh/sidh/internal/p434/curve_test.go b/dh/sidh/internal/p434/curve_test.go
index 119684a..b19f564 100644
--- a/dh/sidh/internal/p434/curve_test.go
+++ b/dh/sidh/internal/p434/curve_test.go
@@ -7,7 +7,7 @@ import (
 	"bytes"
 	"testing"
 
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 func vartimeEqProjFp2(lhs, rhs *ProjectivePoint) bool {
diff --git a/dh/sidh/internal/p434/fp2.go b/dh/sidh/internal/p434/fp2.go
index 05ec5a5..78090d5 100644
--- a/dh/sidh/internal/p434/fp2.go
+++ b/dh/sidh/internal/p434/fp2.go
@@ -4,7 +4,7 @@
 package p434
 
 import (
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Montgomery multiplication. Input values must be already
diff --git a/dh/sidh/internal/p434/fp2_test.go b/dh/sidh/internal/p434/fp2_test.go
index 4499361..564f29f 100644
--- a/dh/sidh/internal/p434/fp2_test.go
+++ b/dh/sidh/internal/p434/fp2_test.go
@@ -9,7 +9,7 @@ import (
 	"testing"
 	"testing/quick"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 type testParams struct {
diff --git a/dh/sidh/internal/p434/params.go b/dh/sidh/internal/p434/params.go
index 00acaca..86a1095 100644
--- a/dh/sidh/internal/p434/params.go
+++ b/dh/sidh/internal/p434/params.go
@@ -3,7 +3,7 @@ package p434
 //go:generate go run ../templates/gen.go P434
 
 import (
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 	"golang.org/x/sys/cpu"
 )
 
diff --git a/dh/sidh/internal/p434/params_test.go b/dh/sidh/internal/p434/params_test.go
index 6ec524f..44d33ee 100644
--- a/dh/sidh/internal/p434/params_test.go
+++ b/dh/sidh/internal/p434/params_test.go
@@ -4,7 +4,7 @@ package p434
 import (
 	"testing/quick"
 
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Values omputed using Sage
diff --git a/dh/sidh/internal/p503/arith_amd64_test.go b/dh/sidh/internal/p503/arith_amd64_test.go
index f853607..7d4a859 100644
--- a/dh/sidh/internal/p503/arith_amd64_test.go
+++ b/dh/sidh/internal/p503/arith_amd64_test.go
@@ -10,7 +10,7 @@ import (
 	"testing"
 	"testing/quick"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 	"golang.org/x/sys/cpu"
 )
 
diff --git a/dh/sidh/internal/p503/arith_decl.go b/dh/sidh/internal/p503/arith_decl.go
index 6241726..1e574da 100644
--- a/dh/sidh/internal/p503/arith_decl.go
+++ b/dh/sidh/internal/p503/arith_decl.go
@@ -6,7 +6,7 @@
 package p503
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // If choice = 0, leave x,y unchanged. If choice = 1, set x,y = y,x.
diff --git a/dh/sidh/internal/p503/arith_generic.go b/dh/sidh/internal/p503/arith_generic.go
index ac83432..11e11b6 100644
--- a/dh/sidh/internal/p503/arith_generic.go
+++ b/dh/sidh/internal/p503/arith_generic.go
@@ -8,7 +8,7 @@ package p503
 import (
 	"math/bits"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Compute z = x + y (mod p).
diff --git a/dh/sidh/internal/p503/arith_test.go b/dh/sidh/internal/p503/arith_test.go
index 47a37a8..3a98982 100644
--- a/dh/sidh/internal/p503/arith_test.go
+++ b/dh/sidh/internal/p503/arith_test.go
@@ -6,7 +6,7 @@ package p503
 import (
 	"testing"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Package-level storage for this field element is intended to deter
diff --git a/dh/sidh/internal/p503/core.go b/dh/sidh/internal/p503/core.go
index cf128d0..eaebf9c 100644
--- a/dh/sidh/internal/p503/core.go
+++ b/dh/sidh/internal/p503/core.go
@@ -4,7 +4,7 @@
 package p503
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // -----------------------------------------------------------------------------
diff --git a/dh/sidh/internal/p503/curve.go b/dh/sidh/internal/p503/curve.go
index 395d0cb..276895f 100644
--- a/dh/sidh/internal/p503/curve.go
+++ b/dh/sidh/internal/p503/curve.go
@@ -4,7 +4,7 @@
 package p503
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Stores isogeny 3 curve constants
diff --git a/dh/sidh/internal/p503/curve_test.go b/dh/sidh/internal/p503/curve_test.go
index bf5b1d1..a415469 100644
--- a/dh/sidh/internal/p503/curve_test.go
+++ b/dh/sidh/internal/p503/curve_test.go
@@ -7,7 +7,7 @@ import (
 	"bytes"
 	"testing"
 
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 func vartimeEqProjFp2(lhs, rhs *ProjectivePoint) bool {
diff --git a/dh/sidh/internal/p503/fp2.go b/dh/sidh/internal/p503/fp2.go
index 089fdaa..4a303f2 100644
--- a/dh/sidh/internal/p503/fp2.go
+++ b/dh/sidh/internal/p503/fp2.go
@@ -4,7 +4,7 @@
 package p503
 
 import (
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Montgomery multiplication. Input values must be already
diff --git a/dh/sidh/internal/p503/fp2_test.go b/dh/sidh/internal/p503/fp2_test.go
index 3e15994..569fd1b 100644
--- a/dh/sidh/internal/p503/fp2_test.go
+++ b/dh/sidh/internal/p503/fp2_test.go
@@ -9,7 +9,7 @@ import (
 	"testing"
 	"testing/quick"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 type testParams struct {
diff --git a/dh/sidh/internal/p503/params.go b/dh/sidh/internal/p503/params.go
index 432ac50..49f0d7a 100644
--- a/dh/sidh/internal/p503/params.go
+++ b/dh/sidh/internal/p503/params.go
@@ -3,7 +3,7 @@ package p503
 //go:generate go run ../templates/gen.go P503
 
 import (
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 	"golang.org/x/sys/cpu"
 )
 
diff --git a/dh/sidh/internal/p503/params_test.go b/dh/sidh/internal/p503/params_test.go
index d174613..c98c68c 100644
--- a/dh/sidh/internal/p503/params_test.go
+++ b/dh/sidh/internal/p503/params_test.go
@@ -4,7 +4,7 @@ package p503
 import (
 	"testing/quick"
 
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Values omputed using Sage
diff --git a/dh/sidh/internal/p751/arith_amd64_test.go b/dh/sidh/internal/p751/arith_amd64_test.go
index 9aa58cf..d1c15ce 100644
--- a/dh/sidh/internal/p751/arith_amd64_test.go
+++ b/dh/sidh/internal/p751/arith_amd64_test.go
@@ -10,7 +10,7 @@ import (
 	"testing"
 	"testing/quick"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 	"golang.org/x/sys/cpu"
 )
 
diff --git a/dh/sidh/internal/p751/arith_decl.go b/dh/sidh/internal/p751/arith_decl.go
index 8ff0bf4..6f8a3c2 100644
--- a/dh/sidh/internal/p751/arith_decl.go
+++ b/dh/sidh/internal/p751/arith_decl.go
@@ -6,7 +6,7 @@
 package p751
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // If choice = 0, leave x,y unchanged. If choice = 1, set x,y = y,x.
diff --git a/dh/sidh/internal/p751/arith_generic.go b/dh/sidh/internal/p751/arith_generic.go
index 9fab653..78a6198 100644
--- a/dh/sidh/internal/p751/arith_generic.go
+++ b/dh/sidh/internal/p751/arith_generic.go
@@ -8,7 +8,7 @@ package p751
 import (
 	"math/bits"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Compute z = x + y (mod p).
diff --git a/dh/sidh/internal/p751/arith_test.go b/dh/sidh/internal/p751/arith_test.go
index a8a544f..878025c 100644
--- a/dh/sidh/internal/p751/arith_test.go
+++ b/dh/sidh/internal/p751/arith_test.go
@@ -6,7 +6,7 @@ package p751
 import (
 	"testing"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Package-level storage for this field element is intended to deter
diff --git a/dh/sidh/internal/p751/core.go b/dh/sidh/internal/p751/core.go
index fcc89f5..d0017af 100644
--- a/dh/sidh/internal/p751/core.go
+++ b/dh/sidh/internal/p751/core.go
@@ -4,7 +4,7 @@
 package p751
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // -----------------------------------------------------------------------------
diff --git a/dh/sidh/internal/p751/curve.go b/dh/sidh/internal/p751/curve.go
index 3a79ca2..e74a6c1 100644
--- a/dh/sidh/internal/p751/curve.go
+++ b/dh/sidh/internal/p751/curve.go
@@ -4,7 +4,7 @@
 package p751
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Stores isogeny 3 curve constants
diff --git a/dh/sidh/internal/p751/curve_test.go b/dh/sidh/internal/p751/curve_test.go
index c34ce56..f2c7608 100644
--- a/dh/sidh/internal/p751/curve_test.go
+++ b/dh/sidh/internal/p751/curve_test.go
@@ -7,7 +7,7 @@ import (
 	"bytes"
 	"testing"
 
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 func vartimeEqProjFp2(lhs, rhs *ProjectivePoint) bool {
diff --git a/dh/sidh/internal/p751/fp2.go b/dh/sidh/internal/p751/fp2.go
index ed41019..761eb0c 100644
--- a/dh/sidh/internal/p751/fp2.go
+++ b/dh/sidh/internal/p751/fp2.go
@@ -4,7 +4,7 @@
 package p751
 
 import (
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Montgomery multiplication. Input values must be already
diff --git a/dh/sidh/internal/p751/fp2_test.go b/dh/sidh/internal/p751/fp2_test.go
index b276d12..d5392c7 100644
--- a/dh/sidh/internal/p751/fp2_test.go
+++ b/dh/sidh/internal/p751/fp2_test.go
@@ -9,7 +9,7 @@ import (
 	"testing"
 	"testing/quick"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 type testParams struct {
diff --git a/dh/sidh/internal/p751/params.go b/dh/sidh/internal/p751/params.go
index d6f5a40..02218a9 100644
--- a/dh/sidh/internal/p751/params.go
+++ b/dh/sidh/internal/p751/params.go
@@ -3,7 +3,7 @@ package p751
 //go:generate go run ../templates/gen.go P751
 
 import (
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 	"golang.org/x/sys/cpu"
 )
 
diff --git a/dh/sidh/internal/p751/params_test.go b/dh/sidh/internal/p751/params_test.go
index bcee9ba..c6522ce 100644
--- a/dh/sidh/internal/p751/params_test.go
+++ b/dh/sidh/internal/p751/params_test.go
@@ -4,7 +4,7 @@ package p751
 import (
 	"testing/quick"
 
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 var (
diff --git a/dh/sidh/internal/templates/arith_decl.gotemp b/dh/sidh/internal/templates/arith_decl.gotemp
index 02d9063..6eb5b23 100644
--- a/dh/sidh/internal/templates/arith_decl.gotemp
+++ b/dh/sidh/internal/templates/arith_decl.gotemp
@@ -6,7 +6,7 @@
 package {{ .PACKAGE}}
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // If choice = 0, leave x,y unchanged. If choice = 1, set x,y = y,x.
diff --git a/dh/sidh/internal/templates/arith_generic.gotemp b/dh/sidh/internal/templates/arith_generic.gotemp
index 8e435a8..b7c69b5 100644
--- a/dh/sidh/internal/templates/arith_generic.gotemp
+++ b/dh/sidh/internal/templates/arith_generic.gotemp
@@ -8,7 +8,7 @@ package {{ .PACKAGE}}
 import (
 	"math/bits"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Compute z = x + y (mod p).
diff --git a/dh/sidh/internal/templates/arith_test.gotemp b/dh/sidh/internal/templates/arith_test.gotemp
index 1ceb01e..151aff6 100644
--- a/dh/sidh/internal/templates/arith_test.gotemp
+++ b/dh/sidh/internal/templates/arith_test.gotemp
@@ -6,7 +6,7 @@ package {{ .PACKAGE}}
 import (
 	"testing"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Package-level storage for this field element is intended to deter
diff --git a/dh/sidh/internal/templates/core.gotemp b/dh/sidh/internal/templates/core.gotemp
index 0e70380..99d392e 100644
--- a/dh/sidh/internal/templates/core.gotemp
+++ b/dh/sidh/internal/templates/core.gotemp
@@ -4,7 +4,7 @@
 package {{ .PACKAGE}}
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // -----------------------------------------------------------------------------
diff --git a/dh/sidh/internal/templates/curve.gotemp b/dh/sidh/internal/templates/curve.gotemp
index 92ec240..f8d4bce 100644
--- a/dh/sidh/internal/templates/curve.gotemp
+++ b/dh/sidh/internal/templates/curve.gotemp
@@ -4,7 +4,7 @@
 package {{ .PACKAGE}}
 
 import (
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Stores isogeny 3 curve constants
diff --git a/dh/sidh/internal/templates/curve_test.gotemp b/dh/sidh/internal/templates/curve_test.gotemp
index 5c504f3..80d1ed7 100644
--- a/dh/sidh/internal/templates/curve_test.gotemp
+++ b/dh/sidh/internal/templates/curve_test.gotemp
@@ -7,7 +7,7 @@ import (
 	"bytes"
 	"testing"
 
-	. "github.com/henrydcase/nobs/dh/sidh/internal/common"
+	. "github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 func vartimeEqProjFp2(lhs, rhs *ProjectivePoint) bool {
diff --git a/dh/sidh/internal/templates/fp2.gotemp b/dh/sidh/internal/templates/fp2.gotemp
index 2505735..1f4cac3 100644
--- a/dh/sidh/internal/templates/fp2.gotemp
+++ b/dh/sidh/internal/templates/fp2.gotemp
@@ -4,7 +4,7 @@
 package {{ .PACKAGE}}
 
 import (
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 // Montgomery multiplication. Input values must be already
diff --git a/dh/sidh/internal/templates/fp2_test.gotemp b/dh/sidh/internal/templates/fp2_test.gotemp
index 4b892a3..fddddc5 100644
--- a/dh/sidh/internal/templates/fp2_test.gotemp
+++ b/dh/sidh/internal/templates/fp2_test.gotemp
@@ -9,7 +9,7 @@ import (
 	"testing"
 	"testing/quick"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 type testParams struct {
diff --git a/dh/sidh/sidh.go b/dh/sidh/sidh.go
index 6a0b281..1856f9e 100644
--- a/dh/sidh/sidh.go
+++ b/dh/sidh/sidh.go
@@ -4,7 +4,7 @@ import (
 	"errors"
 	"io"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 	"github.com/henrydcase/nobs/dh/sidh/internal/p434"
 	"github.com/henrydcase/nobs/dh/sidh/internal/p503"
 	"github.com/henrydcase/nobs/dh/sidh/internal/p751"
diff --git a/dh/sidh/sidh_test.go b/dh/sidh/sidh_test.go
index 954236d..4b752d1 100644
--- a/dh/sidh/sidh_test.go
+++ b/dh/sidh/sidh_test.go
@@ -8,7 +8,7 @@ import (
 	"math/big"
 	"testing"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 /* -------------------------------------------------------------------------
diff --git a/dh/sidh/sike.go b/dh/sidh/sike.go
index bac8ffe..7eac282 100644
--- a/dh/sidh/sike.go
+++ b/dh/sidh/sike.go
@@ -5,7 +5,7 @@ import (
 	"errors"
 	"io"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 	"github.com/henrydcase/nobs/hash/sha3"
 )
 
diff --git a/dh/sidh/sike_test.go b/dh/sidh/sike_test.go
index 7cec5a0..4b27d07 100644
--- a/dh/sidh/sike_test.go
+++ b/dh/sidh/sike_test.go
@@ -12,7 +12,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/henrydcase/nobs/dh/sidh/internal/common"
+	"github.com/henrydcase/nobs/dh/sidh/common"
 )
 
 type sikeVec struct {
diff --git a/kem/mkem/csidh.go b/kem/mkem/csidh.go
deleted file mode 100644
index f3a3f28..0000000
--- a/kem/mkem/csidh.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package mkem
-
-func PK_enc() {
-
-}
-
-func PK_dec() {
-
-}
-
-func KEM_mEnc() {
-
-}