diff --git a/.travis.yml b/.travis.yml
index a14a749..e319062 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,3 +10,5 @@ matrix:
     - julia: nightly
 notifications:
   email: false
+script:
+  - julia -e 'using Pkg; Pkg.build(); Pkg.test(; coverage=false);'
diff --git a/src/SimpleTraits.jl b/src/SimpleTraits.jl
index c591cbe..d209960 100644
--- a/src/SimpleTraits.jl
+++ b/src/SimpleTraits.jl
@@ -530,7 +530,7 @@ into problems, see source code.  Also the macro is ugly.  PRs welcome...
 """
 macro check_fast_traitdispatch(Tr, Arg=:Int, verbose=false)
     if Base.JLOptions().code_coverage==1
-        warn("The SimpleTraits.@check_fast_traitdispatch macro only works when running Julia without --code-coverage")
+        @warn "The SimpleTraits.@check_fast_traitdispatch macro only works when running Julia without --code-coverage"
         return nothing
     end
     test_fn = gensym()
diff --git a/src/base-traits.jl b/src/base-traits.jl
index eadb96b..3b601c8 100644
--- a/src/base-traits.jl
+++ b/src/base-traits.jl
@@ -69,11 +69,7 @@ https://github.com/mauro3/SimpleTraits.jl/issues/40.
 """
 @traitdef IsIterator{X}
 @generated function SimpleTraits.trait(::Type{IsIterator{X}}) where {X}
-    if VERSION<v"1-"
-        error("Not supported in Julia 0.7, due to fallbacks.  Should work again in 1.0")
-    else
-        hasmethod(iterate, Tuple{X}) ? :(IsIterator{X}) : :(Not{IsIterator{X}})
-    end
+    hasmethod(iterate, Tuple{X}) ? :(IsIterator{X}) : :(Not{IsIterator{X}})
 end
 
 end # module
diff --git a/test/base-traits-inference.jl b/test/base-traits-inference.jl
index 6f8f86d..51ba999 100644
--- a/test/base-traits-inference.jl
+++ b/test/base-traits-inference.jl
@@ -16,6 +16,5 @@ basetrs = [:IsConcrete=>:Int,
            :IsIterator=>:(Dict{Int,Int})]
 
 for (bt, tp) in basetrs
-    bt==:IsIterator && VERSION<v"1-" && continue # errors on 0.7 due to start/step/done
     @test @eval @check_fast_traitdispatch $bt $tp true
 end
diff --git a/test/base-traits.jl b/test/base-traits.jl
index 47566b8..88f6ccc 100644
--- a/test/base-traits.jl
+++ b/test/base-traits.jl
@@ -28,8 +28,4 @@ c = view(a, 1:2:5)
 struct T9867 end
 @test istrait(IsCallable{T9867})
 
-if VERSION<v"1-"
-    @test_throws ErrorException istrait(IsIterator{Base.UnitRange})
-else
-    @test istrait(IsIterator{Base.UnitRange})
-end
+@test istrait(IsIterator{Base.UnitRange})