diff --git a/Project.toml b/Project.toml
index d05b0a7..510233c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -47,7 +47,7 @@ Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 PlotsExt = "Plots"
 
 [compat]
-ADTypes = "0.2"
+ADTypes = "0.2, 1"
 Accessors = "0.1"
 AngleBetweenVectors = "0.3"
 Combinatorics = "1"
@@ -65,14 +65,13 @@ LaTeXStrings = "1"
 LatinHypercubeSampling = "1"
 LogExpFunctions = "0.3"
 Meshes = "0.32"
-Optimization = "3"
+Optimization = "3,4"
 OptimizationNLopt = "0.1"
 Plots = "1"
 PolygonInbounds = "0.2"
 ProgressMeter = "1"
 Reexport = "1"
 Roots = "2"
-SnoopPrecompile = "1"
 StaticArrays = "1"
 StatsBase = "0.34"
 TimerOutputs = "0.5"
diff --git a/src/LikelihoodBasedProfileWiseAnalysis.jl b/src/LikelihoodBasedProfileWiseAnalysis.jl
index d5a225e..6f787a6 100644
--- a/src/LikelihoodBasedProfileWiseAnalysis.jl
+++ b/src/LikelihoodBasedProfileWiseAnalysis.jl
@@ -158,11 +158,7 @@ export plot_univariate_profiles, plot_univariate_profiles_comparison,
     plot_predictions_individual, plot_predictions_union,
     plot_realisations_individual, plot_realisations_union
 
-import SnoopPrecompile
-
-SnoopPrecompile.@precompile_all_calls begin
-    
-    a, b = 2.0, 1.0
+    # a, b = 2.0, 1.0
     # α = 0.2 * π
     # Cx, Cy = 2.0, 2.0
 
@@ -205,7 +201,4 @@ SnoopPrecompile.@precompile_all_calls begin
     # dimensional_likelihood_sample!(m, 2, 100, sample_type=UniformRandomSamples())
     # dimensional_likelihood_sample!(m, 2, 100, sample_type=LatinHypercubeSamples())
 
-
-end
-
 end
\ No newline at end of file