diff --git a/CROSS-OPT-1.0/TrussFrequencyBounds.m b/CROSS-OPT-1.0/TrussFrequencyBounds.m
deleted file mode 100644
index 2691a91..0000000
--- a/CROSS-OPT-1.0/TrussFrequencyBounds.m
+++ /dev/null
@@ -1,77 +0,0 @@
-% -----------------------------------------------------------------
-%  TrussFrequencyBounds.m
-% -----------------------------------------------------------------
-%  programmers: Marcos Vinicius Issa
-%               Anderson Pereira
-%               Americo Cunha Jr
-%
-%  Originally programmed in: Apr 04, 2024
-%           Last updated in: Aug 29, 2024
-% -----------------------------------------------------------------
-%  This function computes the frequency bounds for a truss
-% -----------------------------------------------------------------
-function [G,H] = TrussFrequencyBounds(A,MyTruss)
-
-    % truss structure parameters
-    rho        = MyTruss.rho;
-    E          = MyTruss.E;
-    AddedMass  = MyTruss.AddedMass;
-    omegaTresh = MyTruss.omegaTresh;
-    FixedDoFs  = MyTruss.FixedDoFs;
-    NODES      = MyTruss.NODES;
-    ELEM       = MyTruss.ELEM; 
-    Nelem      = MyTruss.Nelem;
-    Ndofs      = MyTruss.Ndofs;
-
-    % preallocate memory for constraints
-    Nconstr = length(omegaTresh);
-    G       = zeros(1,Nconstr);  % inequality constraints
-    H       = [];                %   equality constraint
-
-    % preallocate memory for FEM matrices
-    M = zeros(Ndofs,Ndofs);
-    K = zeros(Ndofs,Ndofs);
-
-    % assembly global matrices
-    for e = 1:Nelem
-        % distance between nodes
-        dx = NODES(ELEM(e,2),1) - NODES(ELEM(e,1),1);
-        dy = NODES(ELEM(e,2),2) - NODES(ELEM(e,1),2);
-        l  = sqrt(dx^2+dy^2);
-        % strain-displacement matrix
-        c = dx/l; 
-        s = dy/l;
-        B = [-c -s c s];
-        % element DoFs
-        eDof = [2*ELEM(e,1)-1, 2*ELEM(e,1),...
-                2*ELEM(e,2)-1, 2*ELEM(e,2)];
-        % local stiffness matrix
-        Ke = (E*A(e)/l)*(B'*B);
-        % local mass matrix
-        Me = (rho*A(e)*l/6)*[2 0 1 0;...
-                             0 2 0 1;...
-                             1 0 2 0;...
-                             0 1 0 2];
-        % update global matrices
-        K(eDof,eDof) = K(eDof,eDof) + Ke;
-        M(eDof,eDof) = M(eDof,eDof) + Me;
-    end
-
-    % update mass matrix with the added mass
-    M = M + AddedMass*eye(Ndofs,Ndofs);
-    
-    % free DoFs coordinates
-    FreeDoFs = setdiff(1:Ndofs,FixedDoFs);
-
-    % solve the generalized eigenvalue problem
-    omega2 = eig(K(FreeDoFs,FreeDoFs),M(FreeDoFs,FreeDoFs));
-    
-    % sort frequencies (rad/s)
-    omega = sort(sqrt(omega2));
-    
-    % frequency constraints
-    for j = 1:Nconstr
-        G(j) = 1 - omega(j)/omegaTresh(j);
-    end
-end
-% -----------------------------------------------------------------
\ No newline at end of file