diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index e37549a..f7351d8 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -147,7 +147,7 @@ http {
         add_header X-Frame-Options "SAMEORIGIN" always;
         add_header X-Robots-Tag "none";
 
-        location ~ '\.(css|html|ico|js|json|map|pdf|svg|txt|wasm|xml)$' {
+        location ~ '\.(css|html|ico|js|json|map|svg|txt|wasm|xml)$' {
             gzip_static on;
             brotli_static on;
         }
diff --git a/process_static b/process_static
index bf7e578..1e6505d 100755
--- a/process_static
+++ b/process_static
@@ -11,6 +11,6 @@ cp --remove-destination webapps/element/config.json static_tmp/config.json
 
 cp nginx/nginx.conf nginx.conf.tmp
 
-find static_tmp -regex '.+\.\(css\|html\|ico\|js\|json\|map\|pdf\|svg\|txt\|webmanifest\|xml\|wasm\)' \
+find static_tmp -regex '.+\.\(css\|html\|ico\|js\|json\|map\|svg\|txt\|webmanifest\|xml\|wasm\)' \
     -exec zopfli {} \; -exec touch -r {} {}.gz \; \
     -exec brotli -k {} \;