diff --git a/src/Combinatorics/Matroids/ChowRings.jl b/src/Combinatorics/Matroids/ChowRings.jl
index 8db7dba35522..9eda21a3f7e8 100644
--- a/src/Combinatorics/Matroids/ChowRings.jl
+++ b/src/Combinatorics/Matroids/ChowRings.jl
@@ -60,9 +60,9 @@ function chow_ring(M::Matroid; ring::Union{MPolyRing,Nothing}=nothing, extended:
 
         @req length(var_names) > 0 "Chow ring is empty"
         if graded
-            ring, vars = graded_polynomial_ring(QQ, var_names, cached=false)
+            ring, vars = graded_polynomial_ring(QQ, var_names; cached=false)
         else
-            ring, vars = polynomial_ring(QQ, var_names, cached=false)
+            ring, vars = polynomial_ring(QQ, var_names; cached=false)
         end
     else
         if extended
@@ -166,7 +166,7 @@ function augmented_chow_ring(M::Matroid)
     var_names = vcat(element_var_names, flat_var_names)
     s = length(var_names)
 
-    ring, vars = polynomial_ring(QQ, var_names)
+    ring, vars = polynomial_ring(QQ, var_names; cached=false)
     element_vars = vars[1:n]
     flat_vars = vars[n+1:s]
 
diff --git a/src/Combinatorics/Matroids/matroid_strata_grassmannian.jl b/src/Combinatorics/Matroids/matroid_strata_grassmannian.jl
index 166a145d18b8..acfb32f4dd8b 100644
--- a/src/Combinatorics/Matroids/matroid_strata_grassmannian.jl
+++ b/src/Combinatorics/Matroids/matroid_strata_grassmannian.jl
@@ -142,7 +142,7 @@ function make_polynomial_ring(Bs::Vector{Vector{Int}}, B::Vector{Int},
                               F::AbstractAlgebra.Ring)
     
     MC = bases_matrix_coordinates(Bs, B)
-    R, x = polynomial_ring(F, :"x"=>MC)
+    R, x = polynomial_ring(F, :"x"=>MC; cached=false)
     xdict = Dict{Vector{Int}, MPolyRingElem}([MC[i] => x[i] for i in 1:length(MC)])
     return R, x, xdict
 end
@@ -330,7 +330,7 @@ function realization_polynomial_ring(Bs::Vector{Vector{Int}}, A::Vector{Int},
     MC = realization_bases_coordinates(Bs, A)
     D = partial_matrix_max_rows(MC)
     MR = [x for x in MC if x[1] != D[x[2]]]
-    R, x = polynomial_ring(F, :"x"=>MR)
+    R, x = polynomial_ring(F, :"x"=>MR; cached=false)
     xdict = Dict{Vector{Int}, MPolyRingElem}(MR[i] => x[i] for i in 1:length(MR))
     return R, x, xdict
 end
diff --git a/src/Combinatorics/Matroids/properties.jl b/src/Combinatorics/Matroids/properties.jl
index 97e9e036e533..8ac9ff5e5ab6 100644
--- a/src/Combinatorics/Matroids/properties.jl
+++ b/src/Combinatorics/Matroids/properties.jl
@@ -897,7 +897,7 @@ x^3 + 4*x^2 + 7*x*y + 3*x + y^4 + 3*y^3 + 6*y^2 + 3*y
 ```
 """
 function tutte_polynomial(M::Matroid)
-    R, (x, y) = polynomial_ring(ZZ, ["x", "y"])
+    R, (x, y) = polynomial_ring(ZZ, ["x", "y"]; cached=false)
     poly = pm_object(M).TUTTE_POLYNOMIAL
     exp = Polymake.monomials_as_matrix(poly)
     return R(Vector{Int}(Polymake.coefficients_as_vector(poly)),[[exp[i,1],exp[i,2]] for i in 1:size(exp)[1]])
@@ -918,7 +918,7 @@ q^3 - 7*q^2 + 14*q - 8
 ```
 """
 function characteristic_polynomial(M::Matroid)
-    R, q = polynomial_ring(ZZ, 'q')
+    R, q = polynomial_ring(ZZ, 'q'; cached=false)
     return (-1)^rank(M)*tutte_polynomial(M)(1-q,0)
 end
 
@@ -936,7 +936,7 @@ q^2 - 6*q + 8
 ```
 """
 function reduced_characteristic_polynomial(M::Matroid)
-    R, q = polynomial_ring(ZZ, 'q')
+    R, q = polynomial_ring(ZZ, 'q'; cached=false)
     p = characteristic_polynomial(M)
     c = Vector{Int}(undef,degree(p))
     s = 0