diff --git a/Cargo.lock b/Cargo.lock
index 22fbe96..0a11abc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -320,7 +320,6 @@ dependencies = [
  "structopt",
  "structopt-flags",
  "subprocess",
- "thiserror",
 ]
 
 [[package]]
@@ -817,26 +816,6 @@ dependencies = [
  "unicode-width",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.29"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602eca064b2d83369e2b2f34b09c70b605402801927c65c11071ac911d299b88"
-dependencies = [
- "thiserror-impl",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.29"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bad553cc2c78e8de258400763a647e80e6d1b31ee237275d756f6836d204494c"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "treeline"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index a244920..731297f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,6 @@ structopt-flags = "0.3"
 log = "0.4"
 env_logger = "0.8"
 anyhow = "1"
-thiserror = "1"
 serde = "1"
 serde_yaml = "0.8"
 subprocess = "0.2"