diff --git a/Project.toml b/Project.toml
index 6409fa0e..1a28e519 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,6 @@ BandedMatricesSparseArraysExt = "SparseArrays"
 
 [compat]
 Aqua = "0.8"
-Base64 = "1.6"
 ArrayLayouts = "1.1"
 Documenter = "0.27"
 FillArrays = "1.3"
@@ -32,7 +31,6 @@ julia = "1.6"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
-Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 GenericLinearAlgebra = "14197337-ba66-59df-a3e3-ca00e7dcff7a"
 InfiniteArrays = "4858937d-0d70-526a-a4dd-2d5cb5dd786c"
@@ -41,4 +39,4 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Aqua", "Base64", "Documenter", "GenericLinearAlgebra", "InfiniteArrays", "Random", "SparseArrays", "Test"]
+test = ["Aqua", "Documenter", "GenericLinearAlgebra", "InfiniteArrays", "Random", "SparseArrays", "Test"]
diff --git a/test/test_interface.jl b/test/test_interface.jl
index a43ecc36..244734d5 100644
--- a/test/test_interface.jl
+++ b/test/test_interface.jl
@@ -1,4 +1,4 @@
-using BandedMatrices, LinearAlgebra, ArrayLayouts, FillArrays, Test, Base64
+using BandedMatrices, LinearAlgebra, ArrayLayouts, FillArrays, Test
 import BandedMatrices: banded_mul!, isbanded, AbstractBandedLayout, BandedStyle,
                         rowsupport, colsupport, _BandedMatrix, BandedColumns, bandeddata
 import ArrayLayouts: OnesLayout, UnknownLayout