diff --git a/.travis.yml b/.travis.yml
index 685fcfe..5009c82 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,6 @@ os:
   - linux
   # - osx
 julia:
-  - 0.6
   - 0.7
   - '1.0'
   - 1.1
@@ -14,36 +13,5 @@ notifications:
 git:
   depth: 99999999
 
-## uncomment the following lines to allow failures on nightly julia
-## (tests will run but not make your overall status red)
-#matrix:
-#  allow_failures:
-#  - julia: nightly
-
-## uncomment and modify the following lines to manually install system packages
-#addons:
-#  apt: # apt-get for linux
-#    packages:
-#    - gfortran
-#before_script: # homebrew for mac
-#  - if [ $TRAVIS_OS_NAME = osx ]; then brew install gcc; fi
-
-install:
-  - ci/install.jl
-
-script:
-  # Ignore "Warning: `using A: B`" from julia 0.7:
-  - if [ "$TRAVIS_JULIA_VERSION" = "0.7" ];
-    then
-        depwarn=yes;
-    else
-        depwarn=error;
-    fi
-  - echo "$depwarn"
-  - ci/test.jl --depwarn="$depwarn"
-
-after_success:
-  # push coverage results to Coveralls
-  - julia --color=yes -e 'cd(Pkg.dir("InteractiveCodeSearch")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'
-  # push coverage results to Codecov
-  - julia --color=yes -e 'cd(Pkg.dir("InteractiveCodeSearch")); Pkg.add("Coverage"); using Coverage; Codecov.submit(Codecov.process_folder())'
+coveralls: true
+codecov: true
diff --git a/ci/install.jl b/ci/install.jl
deleted file mode 100755
index 7bf7946..0000000
--- a/ci/install.jl
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/bash
-# -*- mode: julia -*-
-#=
-JULIA="${JULIA:-julia --color=yes --startup-file=no}"
-exec ${JULIA} "$@" "${BASH_SOURCE[0]}"
-=#
-
-JL_PKG = "InteractiveCodeSearch"
-VERSION >= v"0.7.0-DEV.5183" && using Pkg
-
-if isfile("Project.toml") || isfile("JuliaProject.toml")
-    if VERSION < v"0.7.0-DEV.5183"
-        Pkg.clone(pwd())
-        Pkg.build(JL_PKG)
-    elseif VERSION >= v"1.1.0-rc1"
-        Pkg.build(verbose=true)
-    else
-        Pkg.build()
-    end
-else
-    Pkg.clone(pwd())
-    if VERSION >= v"1.1.0-rc1"
-        Pkg.build(JL_PKG; verbose=true)
-    else
-        Pkg.build(JL_PKG)
-    end
-end
-
-# https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/script/julia.rb
diff --git a/ci/test.jl b/ci/test.jl
deleted file mode 100755
index fe8387d..0000000
--- a/ci/test.jl
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-# -*- mode: julia -*-
-#=
-JULIA="${JULIA:-julia --color=yes --startup-file=no}"
-exec ${JULIA} "$@" "${BASH_SOURCE[0]}"
-=#
-
-JL_PKG = "InteractiveCodeSearch"
-VERSION >= v"0.7.0-DEV.5183" && using Pkg
-Pkg.test(JL_PKG; coverage=true)
diff --git a/src/InteractiveCodeSearch.jl b/src/InteractiveCodeSearch.jl
index d01aa75..72fc063 100644
--- a/src/InteractiveCodeSearch.jl
+++ b/src/InteractiveCodeSearch.jl
@@ -1,5 +1,3 @@
-__precompile__()
-
 """
 # InteractiveCodeSearch.jl --- Interactively search Julia code
 
@@ -44,44 +42,17 @@ using InteractiveCodeSearch
 module InteractiveCodeSearch
 export @search, @searchmethods
 
+import Pkg
 using Base
+using Base: IOError
+using InteractiveUtils: edit, gen_call_with_extracted_types, methodswith
 
-@static if VERSION < v"0.7-"
-    const IOError = Base.UVError
-    const Nothing = Void
-    const findall = find
-    const occursin = ismatch
-    const _readandwrite = readandwrite
-    const fetch = wait
-    names(x; all=false) = Base.names(x, all)
-    methodswith(args...; supertypes=false) =
-        Base.methodswith(args..., supertypes)
-    macro info(x)
-        :(info($(esc(x))))
-    end
-    macro warn(x)
-        :(warn($(esc(x))))
-    end
-    using Base: gen_call_with_extracted_types
-    @eval module Sys
-        function which(program::AbstractString)
-            try
-                strip(readstring(`which $program`))
-            catch
-                nothing
-            end
-        end
-    end  # module
-else
-    import Pkg
-    using Base: IOError
-    using InteractiveUtils: edit, gen_call_with_extracted_types, methodswith
-    function _readandwrite(cmds)
-        processes = open(cmds, "r+")
-        return (processes.out, processes.in, processes)
-    end
+function _readandwrite(cmds)
+    processes = open(cmds, "r+")
+    return (processes.out, processes.in, processes)
 end
 
+
 abstract type SearchPolicy end
 struct Shallow <: SearchPolicy end
 struct Recursive <: SearchPolicy end
@@ -100,12 +71,8 @@ is_locatable(::Function) = true
 is_locatable(t::Type) = !(t <: Vararg)
 # https://github.com/JuliaLang/julia/issues/29645
 
-@static if VERSION < v"0.7-"
-    is_defined_in(_...) = false
-else
-    is_defined_in(child, parent) =
-        child !== parent && parentmodule(child) === parent
-end
+is_defined_in(child, parent) =
+    child !== parent && parentmodule(child) === parent
 
 function list_locatables(p::SearchPolicy, m::Module)
     locs = []
@@ -222,11 +189,6 @@ end
 choose_method(methods::T) where T =
     _choose_method(Base.IteratorSize(T), methods)
 
-@static if VERSION < v"0.7-"
-    choose_method(methods::Union{Base.MethodList, AbstractVector}) =
-        _choose_method(Base.HasLength(), methods)
-end
-
 function _choose_method(::Base.HasLength, methods)
     if isempty(methods)
         @info "No (interesting) method found"
@@ -446,11 +408,7 @@ macro search(x = :ans, flag = :(:shallow))
     # Examples:
     #   @search 1 * 2
     #   @search dot([], [])
-    if VERSION < v"0.7-"
-        gen_call_with_extracted_types(code_search_typed, x)
-    else
-        gen_call_with_extracted_types(__module__, code_search_typed, x)
-    end
+    gen_call_with_extracted_types(__module__, code_search_typed, x)
 end
 
 code_search_methods(T) = search_methods(methodswith(T; supertypes=true))
@@ -489,10 +447,7 @@ const preferred_gui = Cmd[
     # what else?
 ]
 
-function need_gui(stdstreams = [
-                      (@static VERSION < v"0.7-" ? STDOUT : stdout),
-                      (@static VERSION < v"0.7-" ? STDIN : stdin),
-                  ])
+function need_gui(stdstreams = [stdout, stdin])
     return !all(isa.(stdstreams, Ref(Base.TTY)))
 end
 
@@ -568,10 +523,8 @@ function __init__()
     maybe_warn_matcher()
 end
 
-@static if VERSION >= v"0.7-"
-    include("taskmanager.jl")
-    include("history.jl")
-    include("return.jl")
-end
+include("taskmanager.jl")
+include("history.jl")
+include("return.jl")
 
 end # module
diff --git a/test/preamble.jl b/test/preamble.jl
index eecd2e3..d53bcab 100644
--- a/test/preamble.jl
+++ b/test/preamble.jl
@@ -1,9 +1,5 @@
-@static if VERSION < v"0.7.0-"
-    using Base.Test
-else
-    using Test
-    import Pkg
-end
+using Test
+import Pkg
 
 using InteractiveCodeSearch
 
diff --git a/test/runtests.jl b/test/runtests.jl
index 0da867b..e30d5a9 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -53,10 +53,8 @@ end
     @test locs >= Set(Any[ModuleA.a])
     locs = Set(list_locatables(Shallow(), ModuleA.ModuleB))
     @test locs >= Set(Any[ModuleA.ModuleB.b])
-    if VERSION >= v"0.7-"
-        locs = Set(list_locatables(Recursive(), ModuleA))
-        @test locs >= Set(Any[ModuleA.a, ModuleA.ModuleB.b])
-    end
+    locs = Set(list_locatables(Recursive(), ModuleA))
+    @test locs >= Set(Any[ModuleA.a, ModuleA.ModuleB.b])
 end
 
 @testset "module_methods" begin