diff --git a/packages/orion-algo/.tool-versions b/packages/orion-algo/.tool-versions
new file mode 100644
index 000000000..9bf9e4e8d
--- /dev/null
+++ b/packages/orion-algo/.tool-versions
@@ -0,0 +1 @@
+scarb 2.7.0-rc.3
\ No newline at end of file
diff --git a/packages/orion-algo/Scarb.toml b/packages/orion-algo/Scarb.toml
index b0431ffcd..44bdd9563 100644
--- a/packages/orion-algo/Scarb.toml
+++ b/packages/orion-algo/Scarb.toml
@@ -5,5 +5,11 @@ edition = "2023_11"
 
 # See more keys and their definitions at https://docs.swmansion.com/scarb/docs/reference/manifest.html
 
+[dev-dependencies]
+cairo_test = "2.7.0-rc.3"
+
 [dependencies]
 orion_numbers = { path = "../orion-numbers" }
+
+[cairo]
+enable-gas=false
\ No newline at end of file
diff --git a/packages/orion-algo/src/algo/linear_fit.cairo b/packages/orion-algo/src/algo/linear_fit.cairo
index d52a7077a..f5c6f185e 100644
--- a/packages/orion-algo/src/algo/linear_fit.cairo
+++ b/packages/orion-algo/src/algo/linear_fit.cairo
@@ -1,7 +1,5 @@
 use orion_numbers::{f16x16::core::{f16x16}, FixedTrait};
 use orion_algo::span_math::SpanMathTrait;
-use orion_numbers::core_trait::{I32Div, I64Div};
-
 
 pub fn linear_fit<
     T,
@@ -43,7 +41,6 @@ mod tests {
     use super::linear_fit;
     use orion_numbers::f16x16;
     use orion_numbers::f32x32;
-    use orion_numbers::core_trait::{I32Div, I64Div};
 
     #[test]
     fn linear_fit_line_test() {
diff --git a/packages/orion-algo/src/span_math/span_f16x16.cairo b/packages/orion-algo/src/span_math/span_f16x16.cairo
index 4188b37f5..e1f3d82c6 100644
--- a/packages/orion-algo/src/span_math/span_f16x16.cairo
+++ b/packages/orion-algo/src/span_math/span_f16x16.cairo
@@ -1,5 +1,4 @@
 use orion_numbers::{f16x16::core::{f16x16, ONE}, FixedTrait};
-use orion_numbers::core_trait::{I32Rem, I32Div};
 
 use orion_algo::span_math::SpanMathTrait;
 
diff --git a/packages/orion-algo/src/span_math/span_f32x32.cairo b/packages/orion-algo/src/span_math/span_f32x32.cairo
index de7eff265..b0108734c 100644
--- a/packages/orion-algo/src/span_math/span_f32x32.cairo
+++ b/packages/orion-algo/src/span_math/span_f32x32.cairo
@@ -1,4 +1,4 @@
-use orion_numbers::{core_trait::{I64Rem, I64Div}, FixedTrait};
+use orion_numbers::{FixedTrait};
 use orion_numbers::f32x32::core::{f32x32, ONE};
 
 use orion_algo::span_math::SpanMathTrait;