diff --git a/Cargo.lock b/Cargo.lock
index f519148834..b482ca28f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -610,7 +610,6 @@ name = "ra_analysis"
 version = "0.1.0"
 dependencies = [
  "fst 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "im 12.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/crates/ra_analysis/Cargo.toml b/crates/ra_analysis/Cargo.toml
index d7ac69fe8d..f5e7421591 100644
--- a/crates/ra_analysis/Cargo.toml
+++ b/crates/ra_analysis/Cargo.toml
@@ -11,7 +11,6 @@ parking_lot = "0.6.3"
 once_cell = "0.1.5"
 rayon = "1.0.2"
 fst = "0.3.1"
-im = "12.0.0"
 ra_syntax = { path = "../ra_syntax" }
 ra_editor = { path = "../ra_editor" }
 salsa = "0.6.0"
diff --git a/crates/ra_analysis/src/lib.rs b/crates/ra_analysis/src/lib.rs
index 28e0a12b20..38585f6e9e 100644
--- a/crates/ra_analysis/src/lib.rs
+++ b/crates/ra_analysis/src/lib.rs
@@ -7,7 +7,6 @@ extern crate ra_editor;
 extern crate ra_syntax;
 extern crate rayon;
 extern crate relative_path;
-extern crate im;
 extern crate rustc_hash;
 extern crate salsa;