diff --git a/test/arb/ComplexMat-test.jl b/test/arb/ComplexMat-test.jl
index d5c4e8bed..7688882e9 100644
--- a/test/arb/ComplexMat-test.jl
+++ b/test/arb/ComplexMat-test.jl
@@ -120,12 +120,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{ComplexFieldElem}(CC, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{ComplexFieldElem}
-  end
 end
 
 @testset "ComplexMatrix.printing" begin
diff --git a/test/arb/RealMat-test.jl b/test/arb/RealMat-test.jl
index 942cc4579..0572a8296 100644
--- a/test/arb/RealMat-test.jl
+++ b/test/arb/RealMat-test.jl
@@ -119,12 +119,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{RealFieldElem}(RR, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{RealFieldElem}
-  end
 end
 
 @testset "RealMatrix.printing" begin
diff --git a/test/arb/acb_mat-test.jl b/test/arb/acb_mat-test.jl
index 06ae84d84..1f26d9c70 100644
--- a/test/arb/acb_mat-test.jl
+++ b/test/arb/acb_mat-test.jl
@@ -120,12 +120,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{AcbFieldElem}(CC, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{AcbFieldElem}
-  end
 end
 
 @testset "AcbMatrix.printing" begin
diff --git a/test/arb/arb_mat-test.jl b/test/arb/arb_mat-test.jl
index b35590060..dca2034d0 100644
--- a/test/arb/arb_mat-test.jl
+++ b/test/arb/arb_mat-test.jl
@@ -119,12 +119,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{ArbFieldElem}(RR, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{ArbFieldElem}
-  end
 end
 
 @testset "ArbMatrix.printing" begin
diff --git a/test/flint/fmpq_mat-test.jl b/test/flint/fmpq_mat-test.jl
index 789656719..356eaeeec 100644
--- a/test/flint/fmpq_mat-test.jl
+++ b/test/flint/fmpq_mat-test.jl
@@ -145,12 +145,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{QQFieldElem}(QQ, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{QQFieldElem}
-  end
 end
 
 @testset "QQMatrix.is_zero_entry" begin
diff --git a/test/flint/fmpz_mat-test.jl b/test/flint/fmpz_mat-test.jl
index 7442f0a34..fcdd232dd 100644
--- a/test/flint/fmpz_mat-test.jl
+++ b/test/flint/fmpz_mat-test.jl
@@ -109,12 +109,6 @@ end
       @test iszero(t)
     end
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{ZZRingElem}(ZZ, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{ZZRingElem}
-  end
 end
 
 @testset "ZZMatrix.is_zero_entry" begin
diff --git a/test/flint/fq_default_mat-test.jl b/test/flint/fq_default_mat-test.jl
index e57ec7a6d..7ef3a1007 100644
--- a/test/flint/fq_default_mat-test.jl
+++ b/test/flint/fq_default_mat-test.jl
@@ -205,12 +205,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{FqFieldElem}(F9, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{FqFieldElem}
-  end
 end
 
 @testset "FqMatrix.printing" begin
diff --git a/test/flint/fq_mat-test.jl b/test/flint/fq_mat-test.jl
index bf8ef95ec..54a297a91 100644
--- a/test/flint/fq_mat-test.jl
+++ b/test/flint/fq_mat-test.jl
@@ -189,12 +189,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{FqPolyRepFieldElem}(F9, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{FqPolyRepFieldElem}
-  end
 end
 
 @testset "FqPolyRepMatrix.printing" begin
diff --git a/test/flint/fq_nmod_mat-test.jl b/test/flint/fq_nmod_mat-test.jl
index a83fa6336..37b40cecd 100644
--- a/test/flint/fq_nmod_mat-test.jl
+++ b/test/flint/fq_nmod_mat-test.jl
@@ -189,12 +189,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{fqPolyRepFieldElem}(F9, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{fqPolyRepFieldElem}
-  end
 end
 
 @testset "fqPolyRepMatrix.printing" begin
diff --git a/test/flint/gfp_mat-test.jl b/test/flint/gfp_mat-test.jl
index e829c475b..be0664ff3 100644
--- a/test/flint/gfp_mat-test.jl
+++ b/test/flint/gfp_mat-test.jl
@@ -193,12 +193,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{Nemo.fpFieldElem}(Z13, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{Nemo.fpFieldElem}
-  end
 end
 
 @testset "fpMatrix.is_zero_entry" begin
diff --git a/test/flint/nmod_mat-test.jl b/test/flint/nmod_mat-test.jl
index e1f3a09fb..e2acd451a 100644
--- a/test/flint/nmod_mat-test.jl
+++ b/test/flint/nmod_mat-test.jl
@@ -189,12 +189,6 @@ end
     t = similar(s, R, 2, 3)
     @test size(t) == (2, 3)
   end
-
-  # issue #651
-  m = one(Generic.MatSpaceElem{Nemo.zzModRingElem}(Z13, 2, 2))
-  for n = (m, -m, m*m, m+m, 2m)
-    @test n isa Generic.MatSpaceElem{Nemo.zzModRingElem}
-  end
 end
 
 @testset "zzModMatrix.is_zero_entry" begin