diff --git a/src/Plots.jl b/src/Plots.jl
index 0f49b301..20c41ad1 100644
--- a/src/Plots.jl
+++ b/src/Plots.jl
@@ -106,11 +106,10 @@ export
 
 # ---------------------------------------------------------
 
-import NaNMath
 # define functions (e.g. `_extrema`, that uses the NaNMath version (which ignores NaNs)) when the type is applicable
 for fun in (:extrema, :minimum, :maximum, :mean)
-       @eval $(Symbol(string("_",fun)))(x...) = Base.$(fun)(x...)
-       @eval $(Symbol(string("_",fun))){F <: AbstractFloat}(x::AbstractVector{F}) = NaNMath.$(fun)(x)
+       @eval $(Symbol(string("_",fun))){F<:AbstractFloat, N<:Integer}(x::AbstractArray{F, N}) = Base.$(fun)(filter(!isnan(x)))
+       @eval $(Symbol(string("_",fun)))(x) = Base.$(fun)(x)
 end
 
 # ---------------------------------------------------------