diff --git a/.buildkite/Manifest.toml b/.buildkite/Manifest.toml
index 7d8fd8df5c..0f85a97f49 100644
--- a/.buildkite/Manifest.toml
+++ b/.buildkite/Manifest.toml
@@ -2,7 +2,7 @@
 
 julia_version = "1.10.6"
 manifest_format = "2.0"
-project_hash = "fd1e670d65913da2cbb0367d634efd6165bc7d16"
+project_hash = "8d508e9c067faf60d0fc48f17b0ac3f963b68711"
 
 [[deps.ADTypes]]
 git-tree-sha1 = "eea5d80188827b35333801ef97a40c2ed653b081"
@@ -393,11 +393,6 @@ git-tree-sha1 = "362a287c3aa50601b0bc359053d5c2468f0e7ce0"
 uuid = "5ae59095-9a9b-59fe-a467-6f913c188581"
 version = "0.12.11"
 
-[[deps.Combinatorics]]
-git-tree-sha1 = "08c8b6831dc00bfea825826be0bc8336fc369860"
-uuid = "861a8166-3701-5b0c-9a16-15d98fcdc6aa"
-version = "1.0.2"
-
 [[deps.CommonDataModel]]
 deps = ["CFTime", "DataStructures", "Dates", "Preferences", "Printf", "Statistics"]
 git-tree-sha1 = "d6fb5bf939a2753c74984b11434ea25d6c397a58"
diff --git a/.buildkite/Project.toml b/.buildkite/Project.toml
index c93373cbda..fd2791e4ff 100644
--- a/.buildkite/Project.toml
+++ b/.buildkite/Project.toml
@@ -14,7 +14,6 @@ ClimaCoreTempestRemap = "d934ef94-cdd4-4710-83d6-720549644b70"
 ClimaCoreVTK = "c8b6d40d-e815-466f-95ae-c48aefa668fa"
 ClimaTimeSteppers = "595c0a79-7f3d-439a-bc5a-b232dc3bde79"
 Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"
-Combinatorics = "861a8166-3701-5b0c-9a16-15d98fcdc6aa"
 CountFlops = "1db9610d-79e1-487a-8d40-77f3295c7593"
 CubedSphere = "7445602f-e544-4518-8976-18f8e8ae6cdb"
 DiffEqCallbacks = "459566f4-90b8-5000-8ac3-15dfb0a30def"
diff --git a/Project.toml b/Project.toml
index d1cb55b330..42d0b52cea 100644
--- a/Project.toml
+++ b/Project.toml
@@ -46,7 +46,6 @@ BandedMatrices = "0.17, 1"
 BenchmarkTools = "1"
 BlockArrays = "0.16, 1"
 ClimaComms = "0.6"
-Combinatorics = "1"
 CountFlops = "0.1"
 CubedSphere = "0.2, 0.3"
 CUDA = "5"
@@ -90,7 +89,6 @@ Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 ArgParse = "c7e460c6-2fb9-53a9-8c5b-16f535851c63"
 AssociatedLegendrePolynomials = "2119f1ac-fb78-50f5-8cc0-dda848ebdb19"
 BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
-Combinatorics = "861a8166-3701-5b0c-9a16-15d98fcdc6aa"
 CountFlops = "1db9610d-79e1-487a-8d40-77f3295c7593"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 FastBroadcast = "7034ab61-46d4-4ed7-9d0f-46aef9175898"
@@ -108,5 +106,5 @@ TerminalLoggers = "5d786b92-1e48-4d6f-9151-6b4477ca9bed"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Aqua", "ArgParse", "AssociatedLegendrePolynomials", "BenchmarkTools", "Combinatorics", "CountFlops", "Dates", "FastBroadcast", "Krylov", "JET", "LazyBroadcast", "Logging", "MPI", "OrderedCollections", "PrettyTables", "Random", "SafeTestsets", "StatsBase", "TerminalLoggers", "Test"]
+test = ["Aqua", "ArgParse", "AssociatedLegendrePolynomials", "BenchmarkTools", "CountFlops", "Dates", "FastBroadcast", "Krylov", "JET", "LazyBroadcast", "Logging", "MPI", "OrderedCollections", "PrettyTables", "Random", "SafeTestsets", "StatsBase", "TerminalLoggers", "Test"]
 
diff --git a/test/Geometry/axistensor_conversion_benchmarks.jl b/test/Geometry/axistensor_conversion_benchmarks.jl
index 9188561363..6eca9cbb35 100644
--- a/test/Geometry/axistensor_conversion_benchmarks.jl
+++ b/test/Geometry/axistensor_conversion_benchmarks.jl
@@ -1,7 +1,7 @@
 using Test, StaticArrays
 #! format: off
 import Random, BenchmarkTools, StatsBase,
-    OrderedCollections, LinearAlgebra, Combinatorics, CountFlops
+    OrderedCollections, LinearAlgebra, CountFlops
 using ClimaCore.Geometry:Geometry, AbstractAxis, CovariantAxis,
     AxisVector, ContravariantAxis, LocalAxis, CartesianAxis, AxisTensor,
     Covariant1Vector, Covariant13Vector, UVVector, UWVector, UVector,