diff --git a/src/ComputationalModels/ComputationalModels.jl b/src/ComputationalModels/ComputationalModels.jl
index 601cd4f..571847c 100644
--- a/src/ComputationalModels/ComputationalModels.jl
+++ b/src/ComputationalModels/ComputationalModels.jl
@@ -9,6 +9,7 @@ using Gridap.TensorValues, Gridap.FESpaces, Gridap.Algebra
 using Gridap: createvtk
 using Gridap.MultiField
 using Gridap.FESpaces: get_assembly_strategy
+import Gridap: solve!
 
 using BlockArrays
 using GridapPETSc, GridapPETSc.PETSC
diff --git a/src/WeakForms/WeakForms.jl b/src/WeakForms/WeakForms.jl
index 55a00cf..e740c42 100644
--- a/src/WeakForms/WeakForms.jl
+++ b/src/WeakForms/WeakForms.jl
@@ -9,8 +9,10 @@ export jacobian
 export mass_term
 export (+)
 
+import Gridap.Algebra:residual,jacobian
 import Base: +
 
+# ===================
 # Coupling management
 # ===================