diff --git a/.abf.yml b/.abf.yml
index fa3bfca..2723b78 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,22 +1,2 @@
 sources:
-  rust-1.48.0-aarch64-unknown-linux-gnu.tar.xz: bd1b871f9b1b1f18eaab6efe0dbbbc9113abb6ce
-  rust-1.48.0-i686-unknown-linux-gnu.tar.xz: 171925897bf4bc76c409fca4065076c262fe3a6a
-  rust-1.48.0-x86_64-unknown-linux-gnu.tar.xz: 209a18fd803e2ae04398a7df0e150623121e8758
-  rust-1.50.0-aarch64-unknown-linux-gnu.tar.xz: abe0dae292dada8dfe2faccfe2c72610d0ebddf2
-  rust-1.50.0-i686-unknown-linux-gnu.tar.xz: 3e9da21b56e4dbd1450166ee362d4820365e3810
-  rust-1.50.0-x86_64-unknown-linux-gnu.tar.xz: 81e45ce60045ddd655365b4557b60d2a8da2c852
-  rust-1.51.0-aarch64-unknown-linux-gnu.tar.xz: bf137044b40d65e15b91b9a4982061032f487d17
-  rust-1.51.0-i686-unknown-linux-gnu.tar.xz: a878a33c7df203c432715b2315e960b810aaa115
-  rust-1.51.0-x86_64-unknown-linux-gnu.tar.xz: ef5d52140e1f79f06bde8ca696fb3deec69f437a
-  rust-1.58.1-aarch64-unknown-linux-gnu.tar.xz: 41a0ed8ba864aab1562b4c1460b55c7d55f35c5b
-  rust-1.58.1-i686-unknown-linux-gnu.tar.xz: a866333996a09f989deb5fc772fe56cb480b7aa9
-  rust-1.58.1-x86_64-unknown-linux-gnu.tar.xz: d781944548f19e963e3c4cf8ebe7bcf2ed339e36
-  rust-1.65.0-aarch64-unknown-linux-gnu.tar.xz: 2444866d48e8baca060afa13ebc72cc9f946d96f
-  rust-1.65.0-i686-unknown-linux-gnu.tar.xz: f69e3ff1448390d04fa4588140198ec37b80f1eb
-  rust-1.65.0-x86_64-unknown-linux-gnu.tar.xz: d581f8c81a89d40970740ccaaf761622468d189f
-  rustc-1.49.0-src.tar.xz: f6f4d4e41694935511097c3913d9f720d5e606f8
-  rustc-1.51.0-src.tar.xz: 3a88f9fa4c3e0ef74ce8396ad80121fd0b6cb349
-  rustc-1.52.0-src.tar.xz: 3251172114c36c9d0a684e1662c2c5df77a0dc6d
-  rustc-1.59.0-src.tar.xz: 6b4d78a09afcba3ece6f4f535360cf889eba00a2
-  rustc-1.65.0-src.tar.xz: 920c591d3eff79705ada847aac7f77fa616dc40f
   rustc-1.83.0-src.tar.xz: d45b38f7c4e74f62aa9f1969f144018214625125