diff --git a/Boolean_set_operations_2/doc/Boolean_set_operations_2/PackageDescription.txt b/Boolean_set_operations_2/doc/Boolean_set_operations_2/PackageDescription.txt
index c9570ed6982..2435a0654d4 100644
--- a/Boolean_set_operations_2/doc/Boolean_set_operations_2/PackageDescription.txt
+++ b/Boolean_set_operations_2/doc/Boolean_set_operations_2/PackageDescription.txt
@@ -21,7 +21,6 @@ namespace ArrDirectionalTraits {}
 \cgalPkgDependsOn{\ref PkgArrangement2Summary}
 \cgalPkgBib{cgal:fwzh-rbso2}
 \cgalPkgLicense{\ref licensesGPL "GPL"}
-\cgalPkgDemo{Boolean operations,boolean_operations_2.zip}
 \cgalPkgShortInfoEnd
 \cgalPkgDescriptionEnd
 
diff --git a/Envelope_3/doc/Envelope_3/PackageDescription.txt b/Envelope_3/doc/Envelope_3/PackageDescription.txt
index afbadf2eaf2..41093e9f8f1 100644
--- a/Envelope_3/doc/Envelope_3/PackageDescription.txt
+++ b/Envelope_3/doc/Envelope_3/PackageDescription.txt
@@ -16,7 +16,6 @@
 \cgalPkgDependsOn{\ref PkgArrangement2Summary}
 \cgalPkgBib{cgal:mwz-e3}
 \cgalPkgLicense{\ref licensesGPL  "GPL"}
-\cgalPkgDemo{3D Envelopes,envelope_3.zip,L1 Voronoi Diagram,l1_voronoi_diagram_2.zip}
 \cgalPkgShortInfoEnd
 \cgalPkgDescriptionEnd
 
diff --git a/Nef_2/doc/Nef_2/PackageDescription.txt b/Nef_2/doc/Nef_2/PackageDescription.txt
index 0ba157bc7bb..8f133e2bf12 100644
--- a/Nef_2/doc/Nef_2/PackageDescription.txt
+++ b/Nef_2/doc/Nef_2/PackageDescription.txt
@@ -15,7 +15,6 @@
 \cgalPkgSince{2.3}
 \cgalPkgBib{cgal:s-bonp2}
 \cgalPkgLicense{\ref licensesGPL  "GPL"}
-\cgalPkgDemo{2D Nef Polygons,nef_2.zip}
 \cgalPkgShortInfoEnd
 \cgalPkgDescriptionEnd
 
diff --git a/Partition_2/doc/Partition_2/PackageDescription.txt b/Partition_2/doc/Partition_2/PackageDescription.txt
index aa18a804b3f..ff5c4ad2efe 100644
--- a/Partition_2/doc/Partition_2/PackageDescription.txt
+++ b/Partition_2/doc/Partition_2/PackageDescription.txt
@@ -19,7 +19,6 @@
 \cgalPkgSince{2.3}
 \cgalPkgBib{cgal:h-pp2}
 \cgalPkgLicense{\ref licensesGPL  "GPL"}
-\cgalPkgDemo{2D Polygon Partition,partition_2.zip,Operations on Polygons,polygon.zip}
 \cgalPkgShortInfoEnd
 \cgalPkgDescriptionEnd
 
diff --git a/Straight_skeleton_2/doc/Straight_skeleton_2/PackageDescription.txt b/Straight_skeleton_2/doc/Straight_skeleton_2/PackageDescription.txt
index 353a78069b5..d83011c074e 100644
--- a/Straight_skeleton_2/doc/Straight_skeleton_2/PackageDescription.txt
+++ b/Straight_skeleton_2/doc/Straight_skeleton_2/PackageDescription.txt
@@ -25,7 +25,6 @@
 \cgalPkgDependsOn{\ref PkgHDSSummary}
 \cgalPkgBib{cgal:c-sspo2}
 \cgalPkgLicense{\ref licensesGPL  "GPL"}
-\cgalPkgDemo{2D Straight Skeleton,straight_skeleton_2.zip,Operations on Polygons,polygon.zip}
 \cgalPkgShortInfoEnd
 \cgalPkgDescriptionEnd