diff --git a/org.gnome.Calculator.json b/org.gnome.Calculator.json
index 7ffbafd7eac65c047e43ce5688731fcc97a087b0..7c3e7084b6ab1ddeb3d86f13e02fca42f97e940a 100644
--- a/org.gnome.Calculator.json
+++ b/org.gnome.Calculator.json
@@ -18,12 +18,6 @@
         "--talk-name=ca.desrt.dconf",
         "--env=DCONF_USER_CONFIG_DIR=.config/dconf"
     ],
-    "build-options" : {
-        "cflags" : "-O2 -g -w",
-        "cxxflags" : "-O2 -g -w",
-        "env" : {
-        }
-    },
     "cleanup" : [
         "/include",
         "/lib/pkgconfig",
@@ -68,6 +62,7 @@
         },
         {
             "name" : "gtksourceview",
+            "buildsystem": "meson",
             "sources" : [
                 {
                     "type" : "git",