diff --git a/src/longsequences/constructors.jl b/src/longsequences/constructors.jl
index 2a2ec66a..dd97fc86 100644
--- a/src/longsequences/constructors.jl
+++ b/src/longsequences/constructors.jl
@@ -16,18 +16,6 @@ for alph in (DNAAlphabet, RNAAlphabet)
     end
 end
 
-###
-### Conversion
-###
-Base.convert(::Type{T}, seq::T) where {T <: LongSequence} = seq
-Base.convert(::Type{T}, seq::T) where {T <: LongSequence{<:NucleicAcidAlphabet}} = seq
-
-function Base.convert(::Type{T}, seq::LongSequence{<:NucleicAcidAlphabet}) where
-         {T<:LongSequence{<:NucleicAcidAlphabet}}
-    return T(seq)
-end
-
-
 @inline seq_data_len(s::LongSequence{A}) where A = seq_data_len(A, length(s))
 
 @inline function seq_data_len(::Type{A}, len::Integer) where A <: Alphabet
diff --git a/test/longsequences/conversion.jl b/test/longsequences/conversion.jl
index f5125ec8..e81bfdbb 100644
--- a/test/longsequences/conversion.jl
+++ b/test/longsequences/conversion.jl
@@ -74,31 +74,6 @@ end
     end
 end
 
-@testset "Construction from vectors" begin
-    function test_vector_construction(A, seq::AbstractString)
-        T = eltype(A)
-        xs = T[convert(T, c) for c in seq]
-        @test LongSequence{A}(xs) == LongSequence{A}(seq)
-    end
-
-    # Construct from abstract vector
-    LongDNA{4}(0x61:0x64) == LongDNA{4}("ABCD")
-    LongDNA{4}(0x61:0x64, 3:4) == LongDNA{4}("CD")
-    LongRNA{2}(0x61:0x61) == LongRNA{2}("A")
-    LongDNA{4}(Test.GenericString("AGCTMYWK")) == LongDNA{4}("AGCTMYWK")
-    LongAA(Test.GenericString("KMSPIYT")) == LongAA("KMSPIYT")
-
-    for len in [0, 1, 10, 32, 1000]
-        test_vector_construction(DNAAlphabet{4}, random_dna(len))
-        test_vector_construction(RNAAlphabet{4}, random_rna(len))
-        test_vector_construction(AminoAcidAlphabet, random_aa(len))
-
-        probs = [0.25, 0.25, 0.25, 0.25, 0.00]
-        test_vector_construction(DNAAlphabet{2}, random_dna(len, probs))
-        test_vector_construction(RNAAlphabet{2}, random_rna(len, probs))
-    end
-end
-
 @testset "Encode_copy!" begin
     # Note: Other packages use this function, so we need to test it
     # Even though this is NOT exported or part of the API in a normal sense
@@ -131,7 +106,7 @@ end
 
 @testset "Convert to same type" begin
 	function test_same_conversion(seq)
-		@test convert(typeof(seq), seq) === seq
+		@test typeof(seq)(seq) === seq
 	end
 
 	test_same_conversion(random_dna(20))
@@ -141,7 +116,7 @@ end
 
 @testset "Conversion between 2-bit and 4-bit encodings" begin
     function test_conversion(A1, A2, seq)
-        @test convert(LongSequence{A1}, LongSequence{A2}(seq)) == LongSequence{A1}(seq)
+        @test LongSequence{A1}(LongSequence{A2}(seq)) == LongSequence{A1}(seq)
     end
 
     test_conversion(DNAAlphabet{2}, DNAAlphabet{4}, "")
@@ -161,8 +136,8 @@ end
 
     # ambiguous nucleotides cannot be stored in 2-bit encoding
     EncodeError = BioSequences.EncodeError
-    @test_throws EncodeError convert(LongSequence{DNAAlphabet{2}}, dna"AN")
-    @test_throws EncodeError convert(LongSequence{RNAAlphabet{2}}, rna"AN")
+    @test_throws EncodeError LongSequence{DNAAlphabet{2}}(dna"AN")
+    @test_throws EncodeError LongSequence{RNAAlphabet{2}}(rna"AN")
 
     # test promotion
     a = LongSequence{DNAAlphabet{2}}("ATCG")
@@ -177,8 +152,8 @@ end
 end
 
 @testset "Conversion between RNA and DNA" begin
-    @test convert(LongRNA{4}, LongDNA{4}("ACGTN")) == rna"ACGUN"
-    @test convert(LongDNA{4}, LongRNA{4}("ACGUN")) == dna"ACGTN"
+    @test LongRNA{4}(LongDNA{4}("ACGTN")) == rna"ACGUN"
+    @test LongDNA{4}(LongRNA{4}("ACGUN")) == dna"ACGTN"
 end
 
 @testset "Conversion to Matrices" begin
@@ -264,3 +239,4 @@ end
     @test_throws ArgumentError seqmatrix(LongDNA{4}[], :seq)
 
 end
+