diff --git a/MaterialLib/SolidModels/MFront/ModCamClay_semiExpl_absP.mfront b/MaterialLib/SolidModels/MFront/ModCamClay_semiExpl_absP.mfront
index 4ce070c8989..60035a0126a 100644
--- a/MaterialLib/SolidModels/MFront/ModCamClay_semiExpl_absP.mfront
+++ b/MaterialLib/SolidModels/MFront/ModCamClay_semiExpl_absP.mfront
@@ -182,7 +182,6 @@ v.setEntryName("VolumeRatio");  // Total volume per solid volume = inv(1 - poros
     // calculate the direction of plastic flow
     const auto f = q * q + M2 * p * (p - pc_new);
     const auto df_dp = M2 * (2 * p - pc_new);
-    const auto df_ds = 3 * s;
     const auto df_dpc = -M2 * p;
     const auto df_dsig = eval(3 * s - df_dp * id2 / 3);
     auto norm = std::sqrt(6 * q * q + df_dp * df_dp / 3);  // = std::sqrt(df_dsig|df_dsig);
diff --git a/MaterialLib/SolidModels/MFront/MohrCoulombAbboSloanOrtho.mfront b/MaterialLib/SolidModels/MFront/MohrCoulombAbboSloanOrtho.mfront
index 8d8b4ca829a..2c23451cf83 100644
--- a/MaterialLib/SolidModels/MFront/MohrCoulombAbboSloanOrtho.mfront
+++ b/MaterialLib/SolidModels/MFront/MohrCoulombAbboSloanOrtho.mfront
@@ -142,7 +142,6 @@ a.setEntryName("TensionCutOffParameter");
     constexpr auto sqrt3 = Cste<real>::sqrt3;
     constexpr auto isqrt3 = Cste<real>::isqrt3;
     constexpr auto id = Stensor::Id();
-    constexpr auto id4 = Stensor4::Id();
     if (F)
     {
         const auto s = deviator(sig);