diff --git a/modules/core/include/opencv2/core/ocl.hpp b/modules/core/include/opencv2/core/ocl.hpp
index e5fbd07fffa6..891fd678b74f 100644
--- a/modules/core/include/opencv2/core/ocl.hpp
+++ b/modules/core/include/opencv2/core/ocl.hpp
@@ -53,7 +53,6 @@ namespace cv { namespace ocl {
 
 CV_EXPORTS_W bool haveOpenCL();
 CV_EXPORTS_W bool useOpenCL();
-CV_EXPORTS_W bool haveClblast();
 CV_EXPORTS_W bool haveAmdBlas();
 CV_EXPORTS_W bool haveAmdFft();
 CV_EXPORTS_W void setUseOpenCL(bool flag);
diff --git a/modules/core/src/matmul.dispatch.cpp b/modules/core/src/matmul.dispatch.cpp
index 2859247d4302..4cfcce0cda21 100644
--- a/modules/core/src/matmul.dispatch.cpp
+++ b/modules/core/src/matmul.dispatch.cpp
@@ -472,7 +472,7 @@ void gemm(InputArray matA, InputArray matB, double alpha,
           InputArray matC, double beta, OutputArray _matD, int flags)
 {
 #ifdef HAVE_CLBLAST
-    CV_OCL_RUN(ocl::haveClblast() && matA.dims() <= 2 && matB.dims() <= 2 && matC.dims() <= 2 && _matD.isUMat(),
+    CV_OCL_RUN(matA.dims() <= 2 && matB.dims() <= 2 && matC.dims() <= 2 && _matD.isUMat(),
         ocl_gemm_clblast(matA, matB, alpha, matC, beta, _matD, flags))
 #endif
 
diff --git a/modules/core/src/ocl.cpp b/modules/core/src/ocl.cpp
index e5d1d8cd54ce..75c424744a5c 100644
--- a/modules/core/src/ocl.cpp
+++ b/modules/core/src/ocl.cpp
@@ -1248,16 +1248,6 @@ void setUseOpenCL(bool flag)
     }
 }
 
-#ifdef HAVE_CLBLAST
-bool haveClblast() {
-    return true;
-}
-#else
-bool haveClblast() {
-    return false;
-}
-#endif
-
 #ifdef HAVE_CLAMDBLAS
 
 class AmdBlasHelper