diff --git a/doc/texinfo/opt_mesh.texi b/doc/texinfo/opt_mesh.texi
index 285ae0d0d618d64412402ddcfe015119b793a03a..e85611c0326ac7354efddcff087a4f79e2f45688 100644
--- a/doc/texinfo/opt_mesh.texi
+++ b/doc/texinfo/opt_mesh.texi
@@ -34,11 +34,6 @@ Write mesh files in binary format (if possible)@*
 Default value: @code{0}@*
 Saved in: @code{General.OptionsFileName}
 
-@item Mesh.C1Continuity
-Impose C1 continuity to high order meshes (only valid in 2D plane and ElemenOrder = 2)@*
-Default value: @code{0}@*
-Saved in: @code{General.OptionsFileName}
-
 @item Mesh.ChacoArchitecture
 (Adv. Chaco): Parallel architecture topology (0=hypercube, 1-3=mesh dimensions)@*
 Default value: @code{1}@*
diff --git a/doc/texinfo/opt_solver.texi b/doc/texinfo/opt_solver.texi
index 83de45736ba011bc547ba9c167256501f2f470a9..99908cfa5b62aadaa14adecd476729f487c1af71 100644
--- a/doc/texinfo/opt_solver.texi
+++ b/doc/texinfo/opt_solver.texi
@@ -643,11 +643,6 @@ Connect solver 4 to the Gmsh server@*
 Default value: @code{0}@*
 Saved in: @code{General.OptionsFileName}
 
-@item Solver.MaximumDelay
-Maximum delay (in seconds) allowed for solver response@*
-Default value: @code{4}@*
-Saved in: @code{General.OptionsFileName}
-
 @item Solver.MergeViews0
 Automatically merge any post-processing view created by solver 0@*
 Default value: @code{1}@*