diff --git a/Project.toml b/Project.toml
index fbdedf3b9..9ccd7b824 100644
--- a/Project.toml
+++ b/Project.toml
@@ -6,7 +6,6 @@ version = "0.7.3"
 [deps]
 Brillouin = "23470ee3-d0df-4052-8b1a-8cbd6363e7f0"
 CrystalInfoFramework = "6007d9b0-c6b2-11e8-0510-1d10e825f3f1"
-Crystalline = "ae5e2be0-a263-11e9-351e-f94dad1eb351"
 DynamicPolynomials = "7c1d4256-1411-5781-91ec-d7bc3513ac07"
 ElasticArrays = "fdbdab4c-e67f-52f5-8c3f-e7b388dad3d4"
 FFTW = "7a1cc6ca-52ef-59f5-83cd-3a7055c09341"
@@ -40,7 +39,6 @@ WGLMakiePrecompilesExt = "WGLMakie"
 [compat]
 Brillouin = "0.5.19"
 CrystalInfoFramework = "0.6.0"
-Crystalline = "0.6.4"
 DynamicPolynomials = "0.6.0"
 ElasticArrays = "1.2.12"
 FFTW = "1.4.5"
diff --git a/src/Sunny.jl b/src/Sunny.jl
index 93ef82eac..677cd9a0f 100644
--- a/src/Sunny.jl
+++ b/src/Sunny.jl
@@ -18,7 +18,6 @@ import HCubature: hcubature
 import FilePathsBase: Path
 import CrystalInfoFramework as CIF
 import Spglib
-import Crystalline # for site symmetry lookup
 import RowEchelon: rref!
 
 include("MathBasics.jl")