--- a/Cargo.toml
+++ b/Cargo.toml
@@ -71,7 +71,7 @@
     "deflate64",
     "deflate",
     "lzma",
-    "ppmd",
+#    "ppmd",
     "time",
     "zstd",
     "xz",
@@ -101,7 +101,7 @@
 lzma = ["dep:liblzma"]
 lzma-static = ["lzma"]
 #nt-time = ["dep:nt-time"]
-ppmd = ["dep:ppmd-rust"]
+#ppmd = ["dep:ppmd-rust"]
 unreserved = []
 xz = ["dep:liblzma"]
 xz-static = ["lzma"]
@@ -190,9 +190,9 @@
 version = "0.12"
 optional = true
 
-[dependencies.ppmd-rust]
-version = "1.2"
-optional = true
+#[dependencies.ppmd-rust]
+#version = "1.2"
+#optional = true
 
 [dependencies.sha1]
 version = "0.10"