diff --git a/Makefile b/Makefile
index 9333c5c..7ef0e74 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ ql-deps:
 
 # Install some system dependencies.
 debian-deps:
-	apt-get install -y libmagic-dev	libinotifytools0
+	apt-get install -y libinotifytools0
 
 macos-deps:
 	echo "fsevent (for file-notify)"
diff --git a/README.md b/README.md
index 63b86e0..daed605 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,6 @@ See *the documentation*.
 You will probably need the following system dependencies (names for a
 Debian Bullseye system):
 
-    libmagic-dev libc6-dev gcc  # from magicffi
     zlib1g-dev # from deploy for SBCL < 2.2.6
 
 If your SBCL version is >= 2.2.6 you might want to use the more
@@ -122,6 +121,8 @@ On MacOS:
 
     fsevent
 
+You can run: `make debian-deps` or `make macos-deps`.
+
 
 ## With Quicklisp