diff --git a/Project.toml b/Project.toml
index 66f73f4..1ff2946 100644
--- a/Project.toml
+++ b/Project.toml
@@ -4,7 +4,6 @@ authors = ["Logan-Mondal-Bhamidipaty"]
 version = "2.0.0"
 
 [deps]
-CompressedBeliefMDPs = "0a809e47-b8eb-4578-b4e8-4c2c5f9f833c"
 Distances = "b4f34e82-e78d-54a5-968a-f98e89d6e8f7"
 FunctionWrappers = "069b7b12-0de2-55c6-9aab-29f3d0a68a2e"
 LogExpFunctions = "2ab3a3ac-af41-5b50-aa03-7779005ae688"
@@ -15,7 +14,6 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 
 [compat]
-CompressedBeliefMDPs = "1"
 Distances = "0.10"
 FunctionWrappers = "1"
 LogExpFunctions = "0.3"
diff --git a/docs/src/api.md b/docs/src/api.md
index f421a74..dc46e0b 100644
--- a/docs/src/api.md
+++ b/docs/src/api.md
@@ -33,10 +33,4 @@ decompress
 Options
 NegativeDomain
 PositiveDomain
-```
-
-# Miscellaneous 
-
-```@docs
-EPCACompressor
-```
+```
\ No newline at end of file
diff --git a/src/ExpFamilyPCA.jl b/src/ExpFamilyPCA.jl
index 4d107bb..a57fc8e 100644
--- a/src/ExpFamilyPCA.jl
+++ b/src/ExpFamilyPCA.jl
@@ -67,8 +67,9 @@ export
     WeibullEPCA
 include("family/weibull.jl")
 
-export
-    EPCACompressor
-include("compressor.jl")
+# DEPRECATED
+# export
+#     EPCACompressor
+# include("compressor.jl")
 
 end # module ExpFamilyPCA
diff --git a/src/compressor.jl b/src/compressor.jl
deleted file mode 100644
index b5f15de..0000000
--- a/src/compressor.jl
+++ /dev/null
@@ -1,23 +0,0 @@
-import CompressedBeliefMDPs  # `import` rather than `using` to keep tidey namespace and avoid collisions
-
-"""
-    EPCACompressor(epca::EPCA)
-
-Compressor for `CompressedBeliefMDPs.jl`.
-"""
-struct EPCACompressor{E<:EPCA} <: CompressedBeliefMDPs.Compressor
-    epca::E
-end
-
-function (c::EPCACompressor)(beliefs)
-    if ndims(beliefs) == 2
-        result = compress(c.epca, beliefs; maxiter=10)
-    else
-        result = vec(compress(c.epca, beliefs'; maxiter=10))
-    end
-    return result
-end
-
-function CompressedBeliefMDPs.fit!(c::EPCACompressor, beliefs)
-    ExpFamilyPCA.fit!(c.epca, beliefs)
-end
diff --git a/src/utils.jl b/src/utils.jl
index 801fc84..2743900 100644
--- a/src/utils.jl
+++ b/src/utils.jl
@@ -1,11 +1,11 @@
-function _check_dimensions(
-    indim::Integer, 
-    outdim::Integer
-)
-    @assert indim > 0 "Input dimension (indim) must be a positive integer."
-    @assert outdim > 0 "Output dimension (outdim) must be a positive integer."
-    @assert indim >= outdim "Input dimension (indim) must be greater than or equal to output dimension (outdim)."
-end
+# function _check_dimensions(
+#     indim::Integer, 
+#     outdim::Integer
+# )
+#     @assert indim > 0 "Input dimension (indim) must be a positive integer."
+#     @assert outdim > 0 "Output dimension (outdim) must be a positive integer."
+#     @assert indim >= outdim "Input dimension (indim) must be greater than or equal to output dimension (outdim)."
+# end
 
 function _check_binary_search_arguments(
     low::Real,
diff --git a/test/family/test_gamma.jl b/test/family/test_gamma.jl
index b36020a..54abc98 100644
--- a/test/family/test_gamma.jl
+++ b/test/family/test_gamma.jl
@@ -14,3 +14,21 @@
         atol=1.5
     )
 end
+
+@testset "ItakuraSaito" begin
+    n = 2
+    indim = 3
+    outdim = 3
+    X = rand(n, indim) * 100
+
+    M1 = ItakuraSaitoEPCA(indim, outdim)
+    A1 = fit!(M1, X)
+
+    smoke_test(
+        M1,
+        A1,
+        X,
+        atol=1.5
+    )
+end
+