diff --git a/api/strategies.go b/api/strategies.go
index 23bcc18d..19ae0883 100644
--- a/api/strategies.go
+++ b/api/strategies.go
@@ -9,9 +9,9 @@ import (
 	"strconv"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/vocdoni/census3/api/strategyoperators"
 	queries "github.com/vocdoni/census3/db/sqlc"
 	"github.com/vocdoni/census3/lexer"
+	"github.com/vocdoni/census3/strategyoperators"
 	"go.vocdoni.io/dvote/httprouter"
 	api "go.vocdoni.io/dvote/httprouter/apirest"
 	"go.vocdoni.io/dvote/log"
diff --git a/census/helpers.go b/census/helpers.go
index d00d6b98..73b0c55c 100644
--- a/census/helpers.go
+++ b/census/helpers.go
@@ -7,10 +7,10 @@ import (
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/vocdoni/census3/api/strategyoperators"
 	queries "github.com/vocdoni/census3/db/sqlc"
 	"github.com/vocdoni/census3/lexer"
 	"github.com/vocdoni/census3/state"
+	"github.com/vocdoni/census3/strategyoperators"
 )
 
 // CalculateStrategyHolders function returns the holders of a strategy and the
diff --git a/api/strategyoperators/combinators.go b/strategyoperators/combinators.go
similarity index 100%
rename from api/strategyoperators/combinators.go
rename to strategyoperators/combinators.go
diff --git a/api/strategyoperators/combinators_test.go b/strategyoperators/combinators_test.go
similarity index 100%
rename from api/strategyoperators/combinators_test.go
rename to strategyoperators/combinators_test.go
diff --git a/api/strategyoperators/operators.go b/strategyoperators/operators.go
similarity index 100%
rename from api/strategyoperators/operators.go
rename to strategyoperators/operators.go
diff --git a/api/strategyoperators/operators_test.go b/strategyoperators/operators_test.go
similarity index 100%
rename from api/strategyoperators/operators_test.go
rename to strategyoperators/operators_test.go
diff --git a/api/strategyoperators/strategyoperators.go b/strategyoperators/strategyoperators.go
similarity index 100%
rename from api/strategyoperators/strategyoperators.go
rename to strategyoperators/strategyoperators.go
diff --git a/api/strategyoperators/strategyoperators_test.go b/strategyoperators/strategyoperators_test.go
similarity index 100%
rename from api/strategyoperators/strategyoperators_test.go
rename to strategyoperators/strategyoperators_test.go