diff --git a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/CSS/4.7.0,24166bfe16a0cc6bd18d813b83121ef2eaf16545,1.ser b/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/CSS/4.7.0,24166bfe16a0cc6bd18d813b83121ef2eaf16545,1.ser
deleted file mode 100644
index fe7977acba..0000000000
Binary files a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/CSS/4.7.0,24166bfe16a0cc6bd18d813b83121ef2eaf16545,1.ser and /dev/null differ
diff --git a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,4063a3df859f6892bd455e3d5a04d1c3a0fc36bf,1.ser b/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,4063a3df859f6892bd455e3d5a04d1c3a0fc36bf,1.ser
deleted file mode 100644
index 3af2636b39..0000000000
Binary files a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,4063a3df859f6892bd455e3d5a04d1c3a0fc36bf,1.ser and /dev/null differ
diff --git a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,449d41d06cbcda52d33f6829f087a787ec01cb84,1.ser b/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,449d41d06cbcda52d33f6829f087a787ec01cb84,1.ser
deleted file mode 100644
index c39f38446a..0000000000
Binary files a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,449d41d06cbcda52d33f6829f087a787ec01cb84,1.ser and /dev/null differ
diff --git a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,5c4840e226ded29edc85d3405cfa3d941477052b,1.ser b/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,5c4840e226ded29edc85d3405cfa3d941477052b,1.ser
deleted file mode 100644
index 3af2636b39..0000000000
Binary files a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,5c4840e226ded29edc85d3405cfa3d941477052b,1.ser and /dev/null differ
diff --git a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,bd08c5afbc77123dbd4e9e026a723c450e9f844b,1.ser b/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,bd08c5afbc77123dbd4e9e026a723c450e9f844b,1.ser
deleted file mode 100644
index 2b741ba876..0000000000
Binary files a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/HTML/4.7.0,bd08c5afbc77123dbd4e9e026a723c450e9f844b,1.ser and /dev/null differ
diff --git a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/URI/4.7.0,8d03c8ec0e84e7feb92afd4c0f1735841b5fdacf,1.ser b/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/URI/4.7.0,8d03c8ec0e84e7feb92afd4c0f1735841b5fdacf,1.ser
deleted file mode 100644
index f6d3e812b7..0000000000
Binary files a/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer/URI/4.7.0,8d03c8ec0e84e7feb92afd4c0f1735841b5fdacf,1.ser and /dev/null differ