diff --git a/Documentation/doc/resources/1.10.0/BaseDoxyfile.in b/Documentation/doc/resources/1.10.0/BaseDoxyfile.in
index 4818c449336..629950d737b 100644
--- a/Documentation/doc/resources/1.10.0/BaseDoxyfile.in
+++ b/Documentation/doc/resources/1.10.0/BaseDoxyfile.in
@@ -115,7 +115,6 @@ ALIASES                = "cgal=%CGAL" \
                          "taucs=TAUCS" \
                          "lapack=LAPACK" \
                          "blas=BLAS" \
-                         "opennl=OpenNL" \
                          "cpp=C++" \
                          "cpp11=C++11" \
                          "CC=C++" \
diff --git a/Documentation/doc/resources/1.9.6/BaseDoxyfile.in b/Documentation/doc/resources/1.9.6/BaseDoxyfile.in
index a7cf7090300..77246b8fcdf 100644
--- a/Documentation/doc/resources/1.9.6/BaseDoxyfile.in
+++ b/Documentation/doc/resources/1.9.6/BaseDoxyfile.in
@@ -115,7 +115,6 @@ ALIASES                = "cgal=%CGAL" \
                          "taucs=TAUCS" \
                          "lapack=LAPACK" \
                          "blas=BLAS" \
-                         "opennl=OpenNL" \
                          "cpp=C++" \
                          "cpp11=C++11" \
                          "CC=C++" \